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Same Group

APCHEM-LS3U4I

Which of the following accounts for why elements in the same group have similar properties?

A

Members of the same group have similar effective nuclear charge; thus, the reactivity of the nucleus is similar.

B

Members of the same group share the same number and type of valence electrons.

C

Members of the same group share the same electron shielding.

D

Members of the same group have similar electronegativity values, thus interacting with other electrons the same way.