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15 June, 15:37

Which one (s) below right about valence electrons?

A

They are all electrons of an atom

B

The number of valence electrons in the atoms of an element determines that element's chemical properties

C

They are at the outermost shell of the atom.

D

Valence electrons have the highest energy

E

Valence electrons have the lowest energy.

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Answers (2)
  1. 15 June, 15:40
    0
    Answer choice A, B, and C is right about the valence electrons. For answer choice D and E, Would in it be a more of an element kind of choice. whether the element is closer to the left side of the periodic table or not determines the high and low energy.
  2. 15 June, 15:48
    0
    Valence electrons are in the outermost area, have the highest energy, and are all electrons of the atom. This would be A, C and D. B might be a variable, as the Alkali Metals are highly unstable.

    Electrons described by E are in Ground State.
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