Topic 2 #1 Atmoic Structure

Question 1

Relative charge and mass of a proton

Answer 1

Charge = +1
Mass = 1

Question 2

Relative charge/mass neutron

Answer 2

Charge = 0
Mass = 1

Question 3

Relative charge/ mass of an electron

Answer 3

Charge = -1
Mass = 1/1840

Question 4

Atomic number

Answer 4

Atomic Number = number of protons in an atom
(In atoms the number of eletrons is the same)

Question 5

MAss number

Answer 5

Total number of protons and neutrons in atom

Question 6

Number of neutrons

Answer 6

Mass number - atomic number