Scientists

Question 1

Thompson

Answer 1

Atoms contained negatively charged particles called electrons
Atoms were positively charged spheres with elections imbedded in them

Question 2

Rutherford

Answer 2

Nuclear model of the atom
Mainly empty space
Electrons orbited the nucleus and they would eventually lose their charge and spiral into the nucleus

Question 3

Bohr

Answer 3

Electrons orbit at different energy levels

Move from one level to another by losing or gaining pockets of energy

Question 4

Chadwick

Answer 4

Nucleus contained neutrons

They had no charge and are the same mass as protons

Question 5

Dalton

Answer 5

All matter consists of atoms
Atoms could not be divided
Atoms combine in while number ratios