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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
Helium, He, is a nonmetallic gas and the second element in the periodic table. Rather than being placed adjacent to hydrogen, H, however, helium is placed on the far right of the table because
A) hydrogen and helium repel one another.
B) the sizes of their atoms are vastly different.
C) they come from different sources.
D) helium is most similar to other group 18 elements.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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bSharpbSharp
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9 years ago
Super! Don't forget to mark my post as best answer Grinning Face
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