From Hydrogen to Helium, Iron to Zinc, all the known elements
what is the 112 element?
by smurf-it-t 13 hours ago
| 1 person likes this
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3 answers
| in Periodic table of elements
why did mendeleev and later scientists classify the elements into groups?
by smurf-it-t 13 hours ago
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no answers
| in Periodic table of elements
what is emperical formula of compund containing 20.11 percent hydrogen and 78.89 percent carbon
by sean on March 7th, 2010
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no answers
| in Chemical elements
what happens if you put a piece of Platunum in liquid Mercury?
by smurf-it-t on March 7th, 2010
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one answer
| in Chemical elements
What are the most and least common elements in the universe? Why?
by 에가오노겐키 on March 6th, 2010
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one answer
| in Periodic table of elements
What kind of reaction (and subsequent reactants therein) are necessary for the attachment of an alkyl group to the parent molecule?
by X Anonymous Z.eDD on March 3rd, 2010
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no answers
| in Chemical elements
What is the metal argentine used for?
by Marguerite on March 2nd, 2010
| 1 person likes this
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3 answers
| in Chemical elements
name 20 common elements and give me an example of what it is used for
by cassief90 on February 27th, 2010
| 1 person likes this
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one answer
| in Periodic table of elements
How well does selenium combine with other elements?
by matthewgehring on February 18th, 2010
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no answers
| in Chemical elements
Gold is an element because it?
by Paintballstud2.0 on February 17th, 2010
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no answers
| in Chemical elements
How are elements of the same isotopes different?
by scububbles on December 11th, 2009
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no answers
| in Periodic table of elements
Is metal a useful electrical component or is it nonmetal or metalloid?
by scububbles on December 11th, 2009
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no answers
| in Periodic table of elements
What is nuclear notation?
by scububbles on December 10th, 2009
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one answer
| in Periodic table of elements
What is the mass number for sodium?
by scububbles on December 10th, 2009
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2 answers
| in Periodic table of elements
What type of element would be useful in electrical components?
by scububbles on December 10th, 2009
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one answer
| in Periodic table of elements
What type of element could be shaped to create a picture frame, a metal, nonmetal, or metalloid?
by scububbles on December 10th, 2009
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no answers
| in Periodic table of elements
Why does ionization energy decrease as you move down a group on the periodic table?
by keithold thanks all baggers on December 4th, 2009
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one answer
| in Periodic table of elements
Is there any reason to think that the "synthetic" elements such as einsteinium, californium and lawrencium do or don't exist naturally in the universe?
by Purple on December 3rd, 2009
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3 answers
| in Periodic table of elements
What is sulphur?
by Valeros46 on December 2nd, 2009
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3 answers
| in Periodic table of elements
Info on Hafnium?
by Dark_Lord1617 on November 27th, 2009
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2 answers
| in Periodic table of elements
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