Question

Select the correct answer. Why might two elements possess similar chemical properties? A. They belong to the same group of the periodic table. B. They have the same physical state. C. They have similar physical properties. D. They belong to the same period of the periodic table.

Answer 1

Its D!

Step-by-step explanation:

This is because their atoms have the same number of electrons in the highest occupied energy level :)

Answer 2

A. They belong to the same group of the periodic tabke