scientists

Question 1

Discovered the atom is predominantly empty space with a
positively charged nucleus by shooting alpha particles off metal foils

Answer 1

rutherford

Question 2

Is known for doing experiments that showed evidence that there were different atoms of different weights and atoms could combine in simple ratios by weight

Answer 2

Dalton

Question 3

Explained that protons and neutrons are made of smaller particles called quarks

Answer 3

Gell Man

Question 4

Is known for discovering that electrons are different distances from the nucleus in energy levels with different amounts of energy

Answer 4

Bohr

Question 5

Worked with cathode ray tubes and discovered the electron;
determined the charge to mass ratio of electrons

Answer 5

thompson

Question 6

Greek philosopher that hypothesized matter was made of tiny indivisible bodies

Answer 6

Democritus

Question 7

identified that the nucleus contains a neutron

Answer 7

chadwick

Question 8

Used wave mechanics to describe probability of finding the location of electrons in orbitals rather than precise orbits

Answer 8

scrodinger

Question 9

Used the oil drop experiment and his colleague’s charge to mass ratio to determine and prove the actual charge and mass of the electron

Answer 9

millilkan

Question 10

earth fire water air

Answer 10

aristotle