Phy Ch 2 Vocabulary Review

Anything that has mass and takes up space

• matter

• element

• compound

• atom

Tags

NGSS.MS-PS1-5

A substance that cannot be separated or broken down into simpler substances by chemical means

• molecule

• element

• compound

• atom

The smallest unit of an element that maintains the chemical properties of that element

• molecule

• pure substance

• compound

• atom

A group of 2 or more atoms that are held together by chemical forces, the smallest unit of matter that can exist by itself and retain all its chemical properties.

• molecule

• pure substance

• mixture

• atom

Tags

NGSS.MS-PS1-1

A substance made of atoms of 2 or more different elements joined by chemical bonds

• molecule

• element

• compound

• atom

Tags

NGSS.MS-PS1-1

A sample of matter, either a single element or compound that has definite chemical and physical properties

• molecule

• pure substance

• compound

• mixture

The temperature and pressure at which a solid becomes a liquid

• melting point

• pure substance

• boiling point

• mixture

Tags

NGSS.MS-PS1-4

The temperature and pressure at which a liquid becomes a gas

• melting point

• pure substance

• boiling point

• density

Tags

NGSS.MS-PS1-4

The ratio of the mass of a substance to the volume of the substance

• mass

• pure substance

• reactivity

• density

The capacity of a substance to combine chemically with another substance

• chemical change

• pure substance

• reactivity

• density