Atoms and Atom Model

2 protons and 4 electrons

6 protons and 12 electrons

6 protons and 12 neutrons

12 protons and 6 electrons

protons and electrons

protons and neutrons

neutrons and electrons

photons and protons

high melting but low boiling point

low melting but high boiling point

low melting and boiling point

high melting and boiling point

1

4

3

2

generation of electricity

production of medicine

in agriculture

in industries

90% of carbon on earth

80% of carbon on earth

99% of carbon on earth

89% of carbon on earth

atomic number

proton number

electron number

mass number

Democritus

John Dalton

Ernest Rutherford

Vander Waals

H

He

Na

Hy

shell M

shell S

shell P

shell L