3 years ago

#1: Which element has the same number of valence electrons as hydrogen (H)?

1 answer:

6 0

<span>Valence electrons are those in the outer most orbital shell (the valence shell). Elements in the same column (group) have the same number of valence electrons. Hydrogen is in Group 1. If you were to look at a periodic table of the elements, Lithium is right under Hydrogen. You are correct, the answer is D. Lithium.</span>

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