Topic 1 Elements

Question 1

Element

Answer 1

Made up of the same type of atom

Question 2

Isotopes

Answer 2

The atoms all contain the same number of protons and electrons but different number of neutrons

Question 3

What is relative atomic mass used for?

Answer 3

Isotopes

Question 4

Relative atomic mass equation

Answer 4

Relative atomic mass (Ar)= sum of (isotopic abundance x isotopic mass number)/ sum of abundances of all the isotopes