science

Question 1

Planetary Model

Answer 1

Niel Bohr

Question 2

Billiard Boll or Solid Sphere model

Answer 2

John Dalton

Question 3

Used Heisenberg’s uncertainty principle to come up with the atomic model that we still use today.

Answer 3

Schrödinger

Question 4

Plum pudding model/chocolate chip cookie model

Answer 4

J.J. Thomson

Question 5

Third Subatomic Model

Answer 5

James Chadwick

Question 6

Nuclear Model

Answer 6

Ernest Rutherford

Question 7

Atoms may form compounds when combined together.

Answer 7

John Dalton

Question 8

Matter varies in shape, size and weight.

Answer 8

Democritus

Question 9

Father of Nuclear atoms

Answer 9

Ernest Rutherford

Question 10

Matter has a uniform structure.

Answer 10

Democritus

Question 11

Very minute positive particles protons

Answer 11

Ernest Rutherford

Question 12

There are empty spaces between the inner structures of matter.

Answer 12

Democritus

Question 13

The atoms of different elements vary from 1 another.

Answer 13

John Dalton

Question 14

he proposed the first atomic theory after a number of experiments about atoms.

Answer 14

John Dalton

Question 15

Greek philosopher

Answer 15

Democritus

Question 16

oil drop experiment

Answer 16

Robery Millikan

Question 17

The first person who proposed the idea of atoms.

Answer 17

Democritus

Question 18

Atoms = tiny invisible particles

Answer 18

John Dalton

Question 19

The atoms of an element are the same.

Answer 19

John Dalton

Question 20

Matter is made up of solid particles.

Answer 20

Democritus

Question 21

Smaller than an atom and used in experimental observations to establish its existence.

Answer 21

Subatomic Particles

Question 22

Neutron Model

Answer 22

James Chadwhick

Question 23

cathode ray tube experiment.

Answer 23

J.J. Thomson

Question 24

Wrote the book is called “A new System of Chemical Philosophy”

Answer 24

John Dalton

Question 25

“Atomos” greek word meaning “uncut”

Answer 25

Democritus

Question 26

The Electron Cloud Model

Answer 26

Schrödinger

Question 27

Atoms have internal structure that is made up of even smaller particles

Answer 27

Democritus

Question 28

Proposed that an atom is a positively charged sphere filled with negative electrons held by attractive forces between the 2.

Answer 28

J.J. Thomson

Question 29

atomos (a greek word, meaning:indivisible)

Answer 29

Democritus

Question 30

Used Heisenberg’s uncertainty principle to come up with the atomic model that we still use today.

Answer 30

Schrödinger

Question 31

He believed matter was made up of 4 natural elements.

Answer 31

Aristotle

Question 32

Neutron Particle with similar mass as proton

Answer 32

James Chadwick

Question 33

Gold foil experiment.

Answer 33

Ernest Rutherford

Question 34

The man who opposed Democritus.

Answer 34

Aristotle

Question 35

Theory proposed for Hydrogen Atom

Answer 35

Niel Bohr

Question 36

Electron move in orbit

Answer 36

Niel Bohr

Question 37

Berylium = Neutrons

Answer 37

James Chadwick

Question 38

Father of the atomic theory

Answer 38

John Dalton