Question

Why do Group 12 elements have different properties than Group 13
elements?
A. They have different numbers of neutrons.
B. They have different numbers of valence electrons,
C. They have different numbers of protons.
D. They have different atomic numbers.

Answer 1

I believe the answer is B

Answer 2

The group 12 elements have different properties than group 13 elements because both have different number of valence electron.

What is valence electron?

The electron present in valence shell is called valence electron.

The electronic configuration group 12 and group 13 is given below.

Electronic configuration Group 12 = (n-1)d10 ns2

Electronic configuration Group 13 = ns2np1

To learn more about Valence electron here.

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