Topic 5

Question 1

Atomic Number

Answer 1

This number is the number of protons an element has.

Question 2

Atomic mass-

Answer 2

The average mass of an element

Question 3

Groups or Chemical families

Answer 3

These are the vertical rows withing the periodic table.

Question 4

Periods

Answer 4

Horizontal rows of elements with increasing atomic numbers from left to right.

Question 5

Atoms and the electrons in each electron shell

Answer 5

First shell - 2
Second shell-8
Third shell-8
Fourth shell- 32