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2 years ago

11

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

2 answers:

Mrac [35]2 years ago

7 0

Hello,

<span>B.They have the same number of valence electrons. </span>

sattari [20]2 years ago

7 0

B. They have the same number of valence

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