models of atom

Question 1

4 MODELS OF ATOMS:

Answer 1

1. BILLIARD BALL MODEL
2. RAISIN-BREAD MODEL / PLUM PUDDING MODEL
3. PLANETARY MODEL
4. QUANTUM MECHANICAL MODEL

Question 2

created the billiard ball model

Answer 2

john dalton

Question 3

created the raisin-bread model/ plum pudding model

Answer 3

JJ Thompson

Question 4

created the planetary model

Answer 4

Niels Henrik David Bohr

Question 5

created the quantum mechanical model

Answer 5

Erwin Rudolf Josef Alexander Schrodinger

Question 6

Created the First Atomic Theory

Answer 6

john dalton (Dalton Atomic Theory)

Question 7

Discovered ELECTRONS via the cathode ray tube.

Answer 7

jj thompson

Question 8

it is a radiation produced by a high voltage applied to the electrodes in the tube.

Answer 8

cathode ray

Question 9

Nobel Prize winner

Answer 9

• Niels Henrik David Bohr

Question 10

Tells the possible energy states/level of an electron in a hydrogen atom and the probability of its location in a region.

Answer 10

quantum mechanical model by erwin rudolf schrodinger

Question 11

Performed the GOLD-FOIL EXPERIMENT

Answer 11

ernest rutherford

Question 12

discovered protons

Answer 12

ernest rutherford

Question 13

Discovered NEUTRONS.

Answer 13

james chadwick

Question 14

• Performed the OIL-DROP EXPERIMENT
• To measure the charge of electron.

Answer 14

robert millikan

Question 15

-discovered the elementary charge of an electron using the oil-drop experiment.

Answer 15

robert millikan

Question 16

charge of an electron

Answer 16

–1.602 x 10^-19 C.