The air we breathe

Which one of these is not a compound.

• Carbon dioxide

• oxygen

• nitrogen

• argon

Tags

NGSS.MS-PS1-1

The mixture of air

• 78% oxygen, 21% carbon dioxide, 0.9% argon, 0.1% nitrogen

• 78% carbon dioxide, 21% nitrogen dioxide, 0.9% oxygen 0.1 argon

• 78%nitrogen, 21% oxygen, 0.9% argon, 0.1% other gases such as carbon dioxide

• 78% Argon, 21% oxygen, 0.1% carbon dioxide, 0.9% nitrogen

Tags

NGSS.MS-PS1-1

How many different types of atoms are found naturally.

What is the smallest particle

• Quarks

• Dust

• Pollen

• Cake

What are the particles in Air called.

• Particles

• Atoms

• Air

• Aresoles

How many types of molecules are there?

• 6

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

3 types of molecules

• Mixture, Element, Compound

• Atom, Mixture, Compound

• Element, Atom, Water

• Mixture, Atom, Water