Unit 1

Question 1

Which scientist is responsible for the Law of Conservation of Mass?

Answer 1

Lavoisier

Question 2

Which scientist is responsible for the Law of Definite Proportions?

Answer 2

Proust

Question 3

Who discovered the first atoms, “atomos”

Answer 3

Democritus

Question 4

The scientist responsible for the Law of Multiple Proportions?

Answer 4

Dalton

Question 5

Who discovered the Electron?

Answer 5

J.J. Thomson

Question 6

The scientist behind the oil drop experiment

Answer 6

Millikan

Question 7

Who discovered neutrons?

Answer 7

James Chadwick

Question 8

Who created/propositioned the first model of the atom?

Answer 8

Niels Bohr

Question 9

What is the law of conservation of mass?

Answer 9

Mass cannot be created or destroyed.

Question 10

What is the Law of Constant Composition(definite proportions)?

Answer 10

pure compounds always have the same % of a given element

Question 11

What experiment lead to the theory of the nucleus?

Answer 11

Gold foil experiment

Question 12

What makes up the atomic number?

Answer 12

The number of protons

Question 13

What is the electron cloud/domain?

Answer 13

The potential, or probable, position of an electron in an atom

Question 14

What are the familiar orbitals?

Answer 14

S, P, D, and F

Question 15

What shape are S orbitals?

Answer 15

Spherical

Question 16

What shape are P orbitals?

Answer 16

Dumbbell or Figure Eight

Question 17

What does the Principal(n) correspond to on the periodic table?

Answer 17

The Rows

Question 18

What do sublevels of an orbital correspond to on the periodic table?

Answer 18

The columns