Terms

Question 1

Atomic Number

Answer 1

The amount of protons

Question 2

Atomic Mass

Answer 2

Mass of all the isotopes of the element

Question 3

Isotopes

Answer 3

Atoms with the same amount of protons but different amount of neutrons
=same atomic number but different atomic mass

Question 4

Isotopic Abundance

Answer 4

Ex. Cl-35=75.77%
Cl-37=24.23%
(75.77 / 100 x 35) + (24.23/100x37)
= 35.48 AMU