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A. Elements in the same group have similar chemical properties because A.their atoms are about the same size. b. they have a similar atomic mass. c. they have the same number of valence electrons. d. they
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A.

Elements in the same group have similar chemical properties because

A.their atoms are about the same size.

b. they have a similar atomic mass.

c. they have the same number of valence electrons.

d. they have a diagonal relationship.

User Storytellerr
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6 votes

Answer:

c. they have the same number of valence electrons

User JPG
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