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anygoal [31]
3 years ago
14

What is the atomic mass for Helium (He)? Question 5 options: 8 2 3 4

Chemistry
1 answer:
Irina18 [472]3 years ago
3 0
It is 2 because if you have a chart that shown all the elements at the top left corner it would show a number and that is the atomic number
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What is chemical energy?
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I think it’s D
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I need help with this question. Thank you.
marishachu [46]
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kvasek [131]
A covalent bond describes two atoms (most likely nonmetals) that share their valence electrons to satisfy the octet rule. Carbon and oxygen are both nonmetals, and they would share electrons with each other through a bond that is not polar enough to be considered ionic. The answer should be B
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irakobra [83]

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