Chemistry, asked by akakakak8811, 1 year ago

An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valence electron than beryllium. Which element is element X? sodium (Na) boron (B) magnesium (Mg) lithium (Li)

Answers

Answered by riya27042001

15

Answer:

Explanation:

It is boron

riya27042001: Pls mark as brainiest later..thanks!

Answered by avajjackson06

11

it is not boron idk what it is so dont belevieve him up there he is wrong

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