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What is common to all elements in the same group on the periodic table? Their properties are very different.

A.They have the same number of neutrons.
B.They have the same number of valence electrons.
C. They are all nonmetals.

User Viktor Sec
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2 Answers

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B. They have the same number of valence
User Billious
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Hello,

B.They have the same number of valence electrons.
User Joaocandre
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