states of matter

Question 1

Element-

Answer 1

A pure substance that cannot be broken down into simpler substances by ordinary chemical means.

Question 2

Compound-

Answer 2

A substance made up of atoms of more than one element.

Question 3

Molecule-

Answer 3

The smallest part of a substance that still has the properties of that substance.

Question 4

Atom-

Answer 4

The smallest part of an element that still has the properties of that element.

Question 5

Density-

Answer 5

The amount of mass present in a given volume.

Question 6

Volume-

Answer 6

The amount of space occupied by matter.

Question 7

Chemical Formula-

Answer 7

The chemical symbols and numbers indicating the numbers of atoms contained in the basic unit of a substance.

Question 7

Mass-

Answer 7

The amount of matter in a substance.

Question 8

Periodic Table
What does it represent?

Answer 8

organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number.

Question 9

Solid-

Answer 9

A state of matter with a definite shape and a definite volume.

Question 10

Liquid-

Answer 10

A state of matter with a definite volume and no definite shape.

Question 11

Gas-

Answer 11

A state of matter with no definite volume and no definite shape.

Question 12

Know the freezing and boiling points of water in degrees Celsius.

Answer 12

0c