Chapter 3

Question 0

No matter how much you have, you still have the same proportions of the substance

Answer 0

Law of definite proportions

Question 1

Mass is not created nor destroyed, it only changes form

Answer 1

Law of conservation of mass

Question 2

Two different products made by the same reactions has to have a product of different reactants

Answer 2

Law of multiple Proportions

Question 3

All matter is composed of extremely small particles called atoms

Answer 3

Dalton’s Atomic Theory 1

Question 4

Atoms of a given element are identical in size, mass, and other properties

Answer 4

Dalton’s atomic Theory 2

Atoms of different elements differ in size, mass & other properties

Question 5

Atoms can’t be subdivided, created, or destroyed

Answer 5

Dalton’s Atomic Theory 3

(atoms can be subdivided, can be created -added-, and can split -taken away-

Question 6

Atoms of different elements combine in simple whole-numbers ratios to form chemical compounds

Answer 6

Dalton’s Atomic Theory 4

Question 7

In chemical reaction’s, atoms combined, separated, or rearranged

Answer 7

Dalton’s Atomic Theory 5

Question 8

The smallest particle of an element that retains the chemical properties of that element

Answer 8

Atom

Question 9

A very small region located at the center of an atom. It is positively charged and made up of protons and neutrons

Answer 9

Nucleus

Question 10

Have no charge

Answer 10

Neutrons

Question 11

Positively Charged

Answer 11

Electrons

Question 12

Protons, Neutrons, and Electrons

Answer 12

Subatomic particles

Question 13

Number of protons and neutrons

Answer 13

Mass number

Question 14

Number of protons in an element

Answer 14

Atom number

Question 15

Average mass of all isotopes in a sample of an element

Answer 15

Average Atomic Mass