The first shell can hold up to two electrons maximum.
From the periodic table, we can find that hydrogen has only one electron occupying the first shell. Therefore, hydrogen would require an additional one electron to fill up the first shell.
i know don't know the answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr rrrrrrrrrrrrrrrrrrrrr but just guessing is d. sodium
The answer to “what is 45 divided by 5.6” is 8.04.
My teacher just explained this problem to me and she said it is "the same".
3.01 x 10^23 molecules (1 mole/6.203 x 10^23 molecules) = 0.500 moles<span>
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