User:Gcchemistry

Extended table, including fantasy names

NOTE: The symbols are for fantasy names. See below for Z, name, and symbol.

Solved by Double Sharp (1)

1. What is the most stable isotope of copernicium? Answer here
   • Cn-285, if only confirmed ones are included. Otherwise, Cn-285m. Double sharp (talk) 09:59, 9 September 2012 (UTC)
2. Name one proposed name for element 113. Answer here
   • Japonium. Double sharp (talk) 09:59, 9 September 2012 (UTC)
3. Give another name for unbinilium. Answer here
   • Eka-radium. Double sharp (talk) 09:59, 9 September 2012 (UTC)
4. Name the six metalloids that are commonly included. Answer here
   • Boron, silicon, germanium, arsenic, antimony, and tellurium. Double sharp (talk) 09:59, 9 September 2012 (UTC)
5. Name the fourth most abundant element in the universe. Answer here
   • Carbon. Double sharp (talk) 09:59, 9 September 2012 (UTC)
6. Is the chloride ion positive or negative? Answer here
   • Negative. Double sharp (talk) 09:59, 9 September 2012 (UTC)

You got 6 out of 6 right, Double sharp.

Solved by Double sharp (2)

1. What is the range in isotopes of seaborgium?
   • Sg-258 to Sg-271, except Sg-268 and Sg-270. Sg-261m, Sg-263m and Sg-265m are also known. Double sharp (talk) 12:35, 18 September 2012 (UTC)
2. Mendeleev predicted eka-boron. What is eka-boron? .
   • Scandium. Double sharp (talk) 12:35, 18 September 2012 (UTC)
3. Give another name for untriseptium.
   • Feynmanium. Double sharp (talk) 12:35, 18 September 2012 (UTC)
4. Name the two metalloids that are less commonly included (on some periodic tables).
   • Polonium and astatine. Double sharp (talk) 12:35, 18 September 2012 (UTC)
5. Name the fifth most abundant element in the universe.
   • Neon. Double sharp (talk) 12:35, 18 September 2012 (UTC)
6. Is the calcium ion positive or negative?
   • Positive. Double sharp (talk) 12:35, 18 September 2012 (UTC)

Solved by Double sharp (3)

1. What is the most stable confirmed isotope of flerovium?
   • ²⁸⁹Fl. (^289mFl might be more stable, but is unconfirmed.) Double sharp (talk) 06:13, 24 November 2012 (UTC)
2. What isotope of ununoctium was retracted?
   • ²⁹³Uuo. Double sharp (talk) 06:13, 24 November 2012 (UTC)
3. Give another name for tungsten.
   • Wolfram. Double sharp (talk) 06:13, 24 November 2012 (UTC)
4. What are d-block elements also called?
   • Transition metals. Double sharp (talk) 06:13, 24 November 2012 (UTC)
5. Name the most abundant element in the atmosphere.
   • Nitrogen. Double sharp (talk) 06:13, 24 November 2012 (UTC)
6. What does halogen mean?
   • Halogen literally means "salt former". It refers to the group 17 elements. Double sharp (talk) 06:13, 24 November 2012 (UTC)

Solved by Double sharp (4)

1. What is the most stable isotope of astatine?
   • At-210. Double sharp (talk) 02:56, 5 December 2012 (UTC)
2. Did they make darmstadtium from thorium and calcium?
   • No. Double sharp (talk) 02:56, 5 December 2012 (UTC)
3. What is eka-lead?
   • Flerovium (element 114). Double sharp (talk) 02:56, 5 December 2012 (UTC)
4. True or false: Hassium-277 decays to seaborgium-273.
   • False (it decays by spontaneous fission). Double sharp (talk) 02:56, 5 December 2012 (UTC)
5. Are the group 16 elements called aerogens?
   • No, they are called chalcogens. Double sharp (talk) 02:56, 5 December 2012 (UTC)
6. How many elements are primordial?
   • 84 (H–Mo, Ru–Nd, Sm–Bi, Th, U, Pu). Double sharp (talk) 02:56, 5 December 2012 (UTC)

Solved by Double sharp (5)

1. What is the least stable isotope of actinium?
   • ²¹⁷Ac. Double sharp (talk) 16:23, 24 December 2012 (UTC)
2. Does copernicium have any isotopes that undergo fission?
   • Yes (²⁸²Cn, ²⁸³Cn, ^283mCn, and ²⁸⁴Cn). Double sharp (talk) 16:23, 24 December 2012 (UTC)
3. 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). Double sharp (talk) 16:23, 24 December 2012 (UTC)
4. True or false: Cesium is the most reactive element.
   • False (it's fluorine). Double sharp (talk) 16:23, 24 December 2012 (UTC)
5. Is xenon completely inert?
   • No, it forms compounds with oxygen, fluorine and (perhaps) chlorine. Double sharp (talk) 16:23, 24 December 2012 (UTC)
6. What is the heaviest natural element?
   • Californium is the heaviest element that has been detected in nature, although the natural isotope ²⁵³Cf should beta decay into the einsteinium isotope ²⁵³Es. Double sharp (talk) 16:23, 24 December 2012 (UTC)

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