Foundations of Chemistry

The building blocks of matter

• matter

• compounds

• mixtures

• atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Anything that has mass and takes up space

• matter

• compounds

• mixtures

• atoms

Tags

NGSS.MS-PS1-5

2 or more elements chemically combined

• matter

• compounds

• mixtures

• atoms

Tags

NGSS.MS-PS1-1

When different substances are physically combined

• matter

• compounds

• mixtures

• atoms

Which chemical formula shows a compound that has 3 potassium and 2 chlorine atoms?

• KCl

• K₃Cl₂

• P₃Cl₂

• tripotassium bichloride

Tags

NGSS.MS-PS1-1

Which chemical formula shows a compound that has 1 sodium, 1 oxygen, 1 hydrogen, and no helium atoms?

• NaOH

• Na₁O₁H₁He

• NaOHHe

Tags

NGSS.MS-PS1-1

How many different elements are in this compound - NH₄

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many different elements are in this compound - NaOCl

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Color of matter is a...

• physical property

• chemical property

Melting point is a...

• physical property

• chemical property

Tags

NGSS.MS-PS3-4