Electronic Structures

Question 1

Why do elements in a group have similar chemical properties?

Answer 1

Because of the arrangement of their electrons.

Question 2

What does the electronic structure of an atom show?

Answer 2

How the electrons are arranged in its atoms.

Question 3

What are the maximum number of electrons that can be held by the first 4 electron shells?

Answer 3

2, 8, 8, 18