Question

What is common to all elements in the same group in the periodic table?

A.
They have the same number of neutrons.

B.
They are all nonmetals.

C.
They have the same number of outer electrons.

D.
Their properties are very different.

Answer 1

For atoms in their neutral state, the elements in the same group will have atoms that have the same amount of outer electrons.

Answer 2

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