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Choose the letter of the choice that best completes the statement or answers the question.
Elements in the same group have the same __________.
a.
atomic radius.
c.
nuclear charge.
b.
energy level of outer electrons.
d.
number of valence electrons.

Respuesta :

johnsonolumide2006

Answer:

b energy level of outer electrons

Explanation:

This is because their atoms have the same number of electron in the highest occupied energy level.

umaraminu625
D number of valence electrons

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