Chapter 2 Defintions

Question 1

matter

Answer 1

Everything that has mass and occupies space

Question 2

Pure substance

Answer 2

substance made up of only one type of particle

Question 3

atom

Answer 3

smallest particle of matter that can exist on its own

Question 4

element

Answer 4

substance made up of the same atoms

Question 5

molecule

Answer 5

2 or more atoms chemically joined

Question 6

diatomic molecule

Answer 6

2 of the same atoms chemically joined

Question 7

Molecule of an element

Answer 7

particle made up of2 or more of the same atoms chemically joined

Question 8

compound

Answer 8

substance made up of particles of different elements chemically joined in fixed ratios

Question 9

covalent compound

Answer 9

substance that is made up of molecules containing 2 or more different atoms chemically joined

Question 10

Ionic compound

Answer 10

substance that is made up of a lattice containing 2 or more different atoms chemically joined

Question 11

impure substance

Answer 11

substance made up of more than one type of particle