View source for User:Gcchemistry


[[User:Gcchemistry/Chess|Anyone is invited to my chess game here. I am white and all other users (world) will play black.]]

Hello! I am <i>Gcchemistry</i>. I enjoy chemistry a lot.
I have a quiz for you at the bottom of this page. Do you enjoy chemistry? It's fun. I also enjoy music and building.

(My userboxes are at the bottom of this page.)

==Notes to all users==

Please do not vandalize this page. Thank you.

{{Atschool}}

==Extended periodic table==

{{Compact extended periodic table}}

===Extended table, including fantasy names===
{| class="navbox collapsible"
|-
| style="background-color:#a0ffa0"|[[Hydrogen|H]]
| colspan="31" |
| style="background-color:#c0ffff"|[[Helium|He]]
|-
| style="background-color:#ff6666"|[[Lithium|Li]]
| style="background-color:#ffdead"|[[Beryllium|Be]]
| colspan="25" |
| style="background-color:#cccc99"|[[Boron|B]]
| style="background-color:#a0ffa0"|[[Carbon|C]]
| style="background-color:#a0ffa0"|[[Nitrogen|N]]
| style="background-color:#a0ffa0"|[[Oxygen|O]]
| style="background-color:#ffff99"|[[Fluorine|F]]
| style="background-color:#c0ffff"|[[Neon|Ne]]
|-
| style="background-color:#ff6666"|[[Sodium|Na]]
| style="background-color:#ffdead"|[[Magnesium|Mg]]
| colspan="25" |
| style="background-color:#cccccc"|[[Aluminium|Al]]
| style="background-color:#cccc99"|[[Silicon|Si]]
| style="background-color:#a0ffa0"|[[Phosphorus|P]]
| style="background-color:#a0ffa0"|[[Sulfur|S]]
| style="background-color:#ffff99"|[[Chlorine|Cl]]
| style="background-color:#c0ffff"|[[Argon|Ar]]
|-
| style="background-color:#ff6666"|[[Potassium|K]]
| style="background-color:#ffdead"|[[Calcium|Ca]]
| colspan="15" |
| style="background-color:#ffc0c0"|[[Scandium|Sc]]
| style="background-color:#ffc0c0"|[[Titanium|Ti]]
| style="background-color:#ffc0c0"|[[Vanadium|V]]
| style="background-color:#ffc0c0"|[[Chromium|Cr]]
| style="background-color:#ffc0c0"|[[Manganese|Mn]]
| style="background-color:#ffc0c0"|[[Iron|Fe]]
| style="background-color:#ffc0c0"|[[Cobalt|Co]]
| style="background-color:#ffc0c0"|[[Nickel|Ni]]
| style="background-color:#ffc0c0"|[[Copper|Cu]]
| style="background-color:#ffc0c0"|[[Zinc|Zn]]
| style="background-color:#cccccc"|[[Gallium|Ga]]
| style="background-color:#cccc99"|[[Germanium|Ge]]
| style="background-color:#cccc99"|[[Arsenic|As]]
| style="background-color:#a0ffa0"|[[Selenium|Se]]
| style="background-color:#ffff99"|[[Bromine|Br]]
| style="background-color:#c0ffff"|[[Krypton|Kr]]
|-
| style="background-color:#ff6666"|[[Rubidium|Rb]]
| style="background-color:#ffdead"|[[Strontium|Sr]]
| colspan="15" |
| style="background-color:#ffc0c0"|[[Yttrium|Y]]
| style="background-color:#ffc0c0"|[[Zirconium|Zr]]
| style="background-color:#ffc0c0"|[[Niobium|Nb]]
| style="background-color:#ffc0c0"|[[Molybdenum|Mo]]
| style="background-color:#ffc0c0"|[[Technetium|Tc]]
| style="background-color:#ffc0c0"|[[Ruthenium|Ru]]
| style="background-color:#ffc0c0"|[[Rhodium|Rh]]
| style="background-color:#ffc0c0"|[[Palladium|Pd]]
| style="background-color:#ffc0c0"|[[Silver|Ag]]
| style="background-color:#ffc0c0"|[[Cadmium|Cd]]
| style="background-color:#cccccc"|[[Indium|In]]
| style="background-color:#cccccc"|[[Tin|Sn]]
| style="background-color:#cccc99"|[[Antimony|Sb]]
| style="background-color:#cccc99"|[[Tellurium|Te]]
| style="background-color:#ffff99"|[[Iodine|I]]
| style="background-color:#c0ffff"|[[Xenon|Xe]]
|-
| width="3.125%" style="background-color:#ff6666"|[[Caesium|Cs]]
| width="3.125%" style="background-color:#ffdead"|[[Barium|Ba]]
| width="3.125%" |
| width="3.125%" style="background-color:#ffbfff"|[[Lanthanum|La]]
| width="3.125%" style="background-color:#ffbfff"|[[Cerium|Ce]]
| width="3.125%" style="background-color:#ffbfff"|[[Praseodymium|Pr]]
| width="3.125%" style="background-color:#ffbfff"|[[Neodymium|Nd]]
| width="3.125%" style="background-color:#ffbfff"|[[Promethium|Pm]]
| width="3.125%" style="background-color:#ffbfff"|[[Samarium|Sm]]
| width="3.125%" style="background-color:#ffbfff"|[[Europium|Eu]]
| width="3.125%" style="background-color:#ffbfff"|[[Gadolinium|Gd]]
| width="3.125%" style="background-color:#ffbfff"|[[Terbium|Tb]]
| width="3.125%" style="background-color:#ffbfff"|[[Dysprosium|Dy]]
| width="3.125%" style="background-color:#ffbfff"|[[Holmium|Ho]]
| width="3.125%" style="background-color:#ffbfff"|[[Erbium|Er]]
| width="3.125%" style="background-color:#ffbfff"|[[Thulium|Tm]]
| width="3.125%" style="background-color:#ffbfff"|[[Ytterbium|Yb]]
| width="3.125%" style="background-color:#ffbfff"|[[Lutetium|Lu]]
| width="3.125%" style="background-color:#ffc0c0"|[[Hafnium|Hf]]
| width="3.125%" style="background-color:#ffc0c0"|[[Tantalum|Ta]]
| width="3.125%" style="background-color:#ffc0c0"|[[Tungsten|W]]
| width="3.125%" style="background-color:#ffc0c0"|[[Rhenium|Re]]
| width="3.125%" style="background-color:#ffc0c0"|[[Osmium|Os]]
| width="3.125%" style="background-color:#ffc0c0"|[[Iridium|Ir]]
| width="3.125%" style="background-color:#ffc0c0"|[[Platinum|Pt]]
| width="3.125%" style="background-color:#ffc0c0"|[[Gold|Au]]
| width="3.125%" style="background-color:#ffc0c0"|[[Mercury (element)|Hg]]
| width="3.125%" style="background-color:#cccccc"|[[Thallium|Tl]]
| width="3.125%" style="background-color:#cccccc"|[[Lead|Pb]]
| width="3.125%" style="background-color:#cccccc"|[[Bismuth |Bi]]
| width="3.125%" style="background-color:#cccccc"|[[Polonium|Po]]
| width="3.125%" style="background-color:#ffff99"|[[Astatine|At]]
| width="3.125%" style="background-color:#c0ffff"|[[Radon|Rn]]
|-
| style="background-color:#ff6666"|[[Francium|Fr]]
| style="background-color:#ffdead"|[[Radium|Ra]]
|
| style="background-color:#ff99cc"|[[Actinium|Ac]]
| style="background-color:#ff99cc"|[[Thorium|Th]]
| style="background-color:#ff99cc"|[[Protactinium|Pa]]
| style="background-color:#ff99cc"|[[Uranium|U]]
| style="background-color:#ff99cc"|[[Neptunium|Np]]
| style="background-color:#ff99cc"|[[Plutonium|Pu]]
| style="background-color:#ff99cc"|[[Americium|Am]]
| style="background-color:#ff99cc"|[[Curium|Cm]]
| style="background-color:#ff99cc"|[[Berkelium|Bk]]
| style="background-color:#ff99cc"|[[Californium|Cf]]
| style="background-color:#ff99cc"|[[Einsteinium|Es]]
| style="background-color:#ff99cc"|[[Fermium|Fm]]
| style="background-color:#ff99cc"|[[Mendelevium|Md]]
| style="background-color:#ff99cc"|[[Nobelium|No]]
| style="background-color:#ff99cc"|[[Lawrencium|Lr]]
| style="background-color:#ffc0c0"|[[Rutherfordium|Rf]]
| style="background-color:#ffc0c0"|[[Dubnium|Db]]
| style="background-color:#ffc0c0"|[[Seaborgium|Sg]]
| style="background-color:#ffc0c0"|[[Bohrium|Bh]]
| style="background-color:#ffc0c0"|[[Hassium|Hs]]
| style="background-color:#ffe2e2"|[[Meitnerium|Mt]]
| style="background-color:#ffe2e2"|[[Darmstadtium|Ds]]
| style="background-color:#ffe2e2"|[[Roentgenium|Rg]]
| style="background-color:#ffc0c0"|[[Copernicium|Cn]]
| style="background-color:#dfdfdf"|[[Ununtrium|Jp]]
| style="background-color:#dfdfdf"|[[Flerovium|Fl]]
| style="background-color:#dfdfdf"|[[Ununpentium|Mv]]
| style="background-color:#dfdfdf"|[[Livermorium|Lv]]
| style="background-color:#ffffd6"|[[Ununseptium|Ts]]
| style="background-color:#ddffff"|[[Ununoctium|Sh]]
|-
| style="background-color:#d8bcbc"|[[Ununennium|Bl]]
| style="background-color:#ffecd3"|[[Unbinilium|Ak]]
|*
| style="background-color:#d1ddff"|Aq
| style="background-color:#d1ddff"|Cv
| style="background-color:#d1ddff"|Ph
| style="background-color:#d1ddff"|Ei
| style="background-color:#d1ddff"|Mk
| style="background-color:#d1ddff"|Vn
| style="background-color:#d1ddff"|Oc
| style="background-color:#d1ddff"|Dt
| style="background-color:#d1ddff"|Ab
| style="background-color:#d1ddff"|Js
| style="background-color:#d1ddff"|Dm
| style="background-color:#d1ddff"|Eh
| style="background-color:#d1ddff"|Ej
| style="background-color:#d1ddff"|Fa
| style="background-color:#d1ddff"|Gt
| style="background-color:#ffe2e2"|Fh
| style="background-color:#ffe2e2"|Mw
| style="background-color:#ffe2e2"|Gl
| style="background-color:#ffe2e2"|Ht
| style="background-color:#ffe2e2"|Eg
| style="background-color:#ffe2e2"|Hm
| style="background-color:#ffe2e2"|Mm
| style="background-color:#ffe2e2"|Hp
| style="background-color:#ffe2e2"|Kh
| style="background-color:#dfdfdf"|Sv
| style="background-color:#dfdfdf"|Ls
| style="background-color:#dfdfdf"|Hr
| style="background-color:#dfdfdf"|Sa
| style="background-color:#ffffd6"|Vg
| style="background-color:#ddffff"|Ah
|-
| style="background-color:#d8bcbc"|Mh
| style="background-color:#ffecd3"|Hy
| **
|-
|
|-
|
| style="text-align:right; padding-right:2px;" | *
| style="background-color:#d1ddff"|[[Unbiunium|Sp]]
| style="background-color:#d1ddff"|[[Unbibium|Fh]]
| style="background-color:#d1ddff"|Az
| style="background-color:#d1ddff"|[[Unbiquadium|Ms]]
| style="background-color:#d1ddff"|Jv
| style="background-color:#d1ddff"|[[Unbihexium|St]]
| style="background-color:#d1ddff"|[[Unbiseptium|Af]]
| style="background-color:#d1ddff"|Nw
| style="background-color:#d1ddff"|Bv
| style="background-color:#d1ddff"|Yk
| style="background-color:#d1ddff"|Av
| style="background-color:#d1ddff"|Bs
| style="background-color:#d1ddff"|Cy
| style="background-color:#d1ddff"|Ck
| style="background-color:#d1ddff"|Dv
| style="background-color:#d1ddff"|Fk
| style="background-color:#d1ddff"|[[Untriseptium|Fy]]
| style="background-color:#d1ddff"|Gh
|-
|
| style="text-align:right; padding-right:2px;" | **
| style="background-color:#c6dd9d"|Ek
| style="background-color:#c6dd9d"|Ex
| style="background-color:#c6dd9d"|[[Unsepttrium|Vr]]
|-
|
|-
| colspan="33" | <!-- LEGEND -->
{| border="0" style="vertical-align:top; border:0; border-collapse:collapse; width:100%; margin:0;" cellpadding="2"
|- style="vertical-align:top; border-top:1px solid grey;"
| style="background-color:#ff6666; border-left:1px solid grey;" width="8%" |[[Alkali metal]]
| style="background-color:#ffdead; border-left:1px solid grey;" width="8%" |[[Alkaline earth metal]]
| style="background-color:#ffbfff; border-left:1px solid grey;" width="8%" |[[Lanthanide]]
| style="background-color:#ff99cc; border-left:1px solid grey;" width="8%" |[[Actinide]]
| style="background-color:#80a0e9; border-left:1px solid grey;" width="10%" |[[Superactinide]]
| style="background-color:#a0e032; border-left:1px solid grey;" width="10%" |[[Eka-superactinide|Eka-{{zwsp}}superactinide]]
| style="background-color:#ffc0c0; border-left:1px solid grey;" width="8%" |[[Transition metal]]
| style="background-color:#cccccc; border-left:1px solid grey;" width="8%" |[[Post-transition metal]]
| style="background-color:#cccc99; border-left:1px solid grey;" width="8%" |[[Metalloid]]
| style="background-color:#a0ffa0; border-left:1px solid grey;" width="8%" |Other [[nonmetal]]
| style="background-color:#ffff99; border-left:1px solid grey;" width="8%" |[[Halogen]]
| style="background-color:#c0ffff; border-left:1px solid grey; border-right:1px solid grey;" width="8%" |[[Noble gas]]
|- style="vertical-align:top; border-bottom:1px solid grey;"<!-- colors for predicted -->
| style="background-color:#d8bcbc; border-left:1px solid grey;" | ''predicted'' <!-- Alkali metal -->
| style="background-color:#ffecd3; border-left:1px solid grey;" | ''predicted''<!-- Alkali earth metal -->
| style="background-color:#ffbfff; border-left:1px solid grey;" | <!-- Lan no pred -->
| style="background-color:#ff99cc; border-left:1px solid grey;" | <!-- Act no pred -->
| style="background-color:#d1ddff; border-left:1px solid grey;" | ''predicted''<!-- sa no exist; sometimes dark #b5c8ff is used -->
| style="background-color:#c6dd9d; border-left:1px solid grey;" | ''predicted''<!-- eka-sa always pred, from dark #a0e032 -->
| style="background-color:#ffe2e2; border-left:1px solid grey;" | ''predicted''<!-- Transition metal -->
| style="background-color:#dfdfdf; border-left:1px solid grey;" | ''predicted''<!-- Post-transition metal .k.a. other metal -->
| style="background-color:#e2e2aa; border-left:1px solid grey;" | ''predicted''<!-- Metalloid -->
| style="background-color:#d3ffd3; border-left:1px solid grey;" | ''predicted''<!-- Other nonmetal -->
| style="background-color:#ffffd6; border-left:1px solid grey;" | ''predicted''<!-- Halogen -->
| style="background-color:#ddffff; border-left:1px solid grey; ; border-right:1px solid grey;" | ''predicted''<!-- Noble gas -->
|}
|}<noinclude>
NOTE: The symbols are for fantasy names. See below for Z, name, and symbol.
</noinclude>

==Fantasy names for undiscovered chemical elements 113, 115, and 117-173==

{|class="wikitable" style="text-align:center"
|-
! Atomic no. !! Name !! Symbol
|-
!113
|[[Japonium]]||Jp
|-
!115
|Medivium||Mv
|-
!117
|[[Tennessine]]||Ts
|-
!118
|Shorton||Sh
|-
!119
|Berlinium||Bl
|-
!120
|[[Alkalinium]]||Ak
|-
!121
|Superbium||Sp
|-
!122
|Flashium||Fh
|-
!123
|Azzurium||Az
|-
!124
|Marsium||Ms
|-
!125
|Jovium||Jv
|-
!126
|Saturnium||St
|-
!127
|Africium||Af
|-
!128
|[[Newtonium]]||Nw
|-
!129
|Brookhavium||Bv
|-
!130
|Yorkium||Yk
|-
!131
|Avogadrium||Av
|-
!132
|Bunsium||Bs
|-
!133
|Coryellium||Cy
|-
!134
|Crookesium||Ck
|-
!135
|Davium||Dv
|-
!136
|Frankfurtium||Fk
|-
!137
|[[Feynmanium]]||Fy
|-
!138
|Ghiorsium||Gh
|-
!139
|Acquium||Aq
|-
!140
|Civilium||Cv
|-
!141
|Prohydrium||Ph
|-
!142
|Erisium||Ei
|-
!143	
|Makemakium||Mk
|-
!144	
|Venusium||Vn
|-
!145	
|Oceanium||Oc
|-
!146	
|Daltium||Dt
|-
!147	
|Albanium||Ab
|-
!148
|Jersium||Js
|-
!149
|Dumasium||Dm
|-
!150
|Elhuyarium||Eh
|-
!151
|Elvehjemium||Ej
|-
!152
|Franconium||Fa
|-
!153
|Garnettium||Gt
|-
!154
|Fraschium||Fh
|-
!155
|Moscowium||Mw
|-
!156
|Glendenium||Gl
|-
!157
|Hatchettium||Ht
|-
!158
|Englandium||Eg
|-
!159
|Hoffmanium||Hm
|-
!160
|Montaukium||Mm
|-
!161
|Hopkinium||Hp
|-
!162
|Klaprothium||Kh
|-
!163
|Sovietium||Sv
|-
!164
|Lavoisium||Ls
|-
!165
|Historium||Hr
|-
!166
|Sacramentium||Sa
|-
!167
|Virginine||Vg
|-
!168
|Alphon||Ah
|-
!169
|Munchenium||Mh
|-
!170
|Hydragium||Hy
|-
!171	
|Ekunium||Ek
|-
!172	
|[[Plutonium#Discovery|Extremium]]||Ex
|-
!173	
|Verdium||Vr
|-
|}

==Periodic table by article quality==

{{User:Gcchemistry/PTQ}}

==Chemistry quiz==

===Solved by Double Sharp (1)===

# What is the most [[stable isotope|stable]] [[isotope]] of [[copernicium]]? <!--answer-->Answer here<!--end answer-->
#*Cn-285, if only confirmed ones are included. Otherwise, Cn-285m. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)
# Name one proposed name for [[ununtrium|element 113]].    <!--answer-->Answer here<!--end answer-->
#*Japonium. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)
# Give another name for [[unbinilium]]. <!--answer-->Answer here    <!--end answer-->
#*Eka-radium. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)
# Name the six [[metalloids]] that are commonly included.     <!--answer-->Answer here<!--end answer-->
#*Boron, silicon, germanium, arsenic, antimony, and tellurium. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)
# Name the fourth most abundant [[chemical element|element]] in the [[universe]].     <!--answer-->Answer here<!--end answer-->
#*Carbon. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)
# Is the [[chlorine|chloride]] [[ion]] positive or negative?     <!--answer-->Answer here<!--end answer-->
#*Negative. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 09:59, 9 September 2012 (UTC)

You got 6 out of 6 right, Double sharp.

<!--You got _ out of 6 right-->

===Solved by Double sharp (2)===

# What is the range in [[isotope]]s of [[seaborgium]]?
#*Sg-258 to Sg-271, except Sg-268 and Sg-270. Sg-261m, Sg-263m and Sg-265m are also known. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)
# Mendeleev predicted ''eka-boron''. What is ''eka-boron''? .
#*Scandium. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)
# Give another name for [[untriseptium]].
#*Feynmanium. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)
# Name the two [[metalloids]] that are less commonly included (on some [[periodic table]]s).
#*Polonium and astatine. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)
# Name the fifth most abundant [[chemical element|element]] in the [[universe]].
#*Neon. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)
# Is the [[calcium]] [[ion]] positive or negative?
#*Positive. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 12:35, 18 September 2012 (UTC)

===Solved by Double sharp (3)===

# What is the most [[stable isotope|stable]] ''confirmed'' [[isotope]] of [[flerovium]]?
#*<sup>289</sup>Fl. (<sup>289m</sup>Fl might be more stable, but is unconfirmed.) [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)
# What isotope of [[ununoctium]] was retracted?
#*<sup>293</sup>Uuo. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)
# Give another name for [[tungsten]].
#*[[Wolfram]]. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)
# What are [[d-block]] elements also called?
#*[[Transition metal]]s. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)
# Name the most abundant [[chemical element|element]] in the [[atmosphere]].
#*[[Nitrogen]]. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)
# What does ''halogen'' mean?
#*''Halogen'' literally means "salt former". It refers to the group 17 elements. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 06:13, 24 November 2012 (UTC)

===Solved by Double sharp (4)===

# What is the most [[stable isotope|stable]] [[isotope]] of [[astatine]]?
#* At-210. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)
# Did they make [[darmstadtium]] from [[thorium]] and [[calcium]]?
#* No. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)
# What is eka-[[lead]]?
#* [[Flerovium]] (element 114). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)
# True or false: [[isotopes of hassium|Hassium-277]] decays to [[isotopes of seaborgium|seaborgium-273]].
#* False (it decays by spontaneous fission). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)
# Are the [[group 16 element]]s called [[aerogen]]s?
#* No, they are called [[chalcogen]]s. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)
# How many [[chemical element|elements]] are primordial?
#* 84 (H–Mo, Ru–Nd, Sm–Bi, Th, U, Pu). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 02:56, 5 December 2012 (UTC)

===Solved by Double sharp (5)===

# What is the least [[stable isotope|stable]] [[isotope]] of [[actinium]]?
#* <sup>217</sup>Ac. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)
# Does [[copernicium]] have any [[isotope]]s that undergo [[spontaneous fission|fission]]?
#* Yes (<sup>282</sup>Cn, <sup>283</sup>Cn, <sup>283m</sup>Cn, and <sup>284</sup>Cn). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)
# What is eka-[[berkelium]] (by periodic trends)?
#* It could be element 129 (by Mendeleevian usage), element 147 (by strict usage, following the Aufbau principle), or element 149 (by strict usage, following the Fricke/Pyykkö model). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)
# True or false: [[Cesium]] is the most reactive element.
#* False (it's [[fluorine]]). [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)
# Is [[xenon]] completely inert?
#* No, it forms compounds with [[oxygen]], fluorine and (perhaps) [[chlorine]]. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)
# What is the heaviest natural element?
#* [[Californium]] is the heaviest element that has been detected in nature, although the natural isotope <sup>253</sup>Cf should [[beta decay]] into the [[einsteinium]] isotope <sup>253</sup>Es. [[User:Double sharp|Double sharp]] ([[User talk:Double sharp|talk]]) 16:23, 24 December 2012 (UTC)

After you have finished, check [[User talk:Gcchemistry#Answers to the quiz|here]].

==Oxygen is my favourite element==

Oxygen is my favourite element because it keeps me and everyone else alive. Without oxygen, I wouldn't be here.

==Subpages==

*[[User:Gcchemistry/Infobox unbitrium|Infobox unbitrium]]
*[[User:Gcchemistry/Infobox unbipentium|Infobox unbipentium]]
*[[User:Gcchemistry/Infobox unbioctium|Infobox unbioctium]]
*[[User:Gcchemistry/Unbitrium|Unbitrium]]
*[[User:Gcchemistry/PTQ|My PTQ]]
*[[User:Gcchemistry/Chess|My Chess Game]]
*[[User:Gcchemistry/Userboxes|Userboxen]]
<!--==Test score==

1,234,567,894,529: Wikipediholic test score-->

==Userboxen (48)==

{{Userboxtop}}

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|{{User:Gcchemistry/Userboxes/Writeasong}}
|{{userbox|#00ffff|#ffff00|{{Red|wiki}}-<br>{{Red|23}}|This user has created '''{{Red|23}}''' pages on [[Wikipedia]].}}<!--{{User:Gcchemistry/|Userboxes/Create pages}}-->
|{{User:Sgt. R.K. Blue/Userboxes/Redirects}}
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