Intro to Matter

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

A combination of substances that are not chemically combined is called a(n)____________. 

• mixture
• compound
• physical

Which of the following formulae represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

In general, metals are _____. 

• poor conductors of heat
• brittle
• poor conductors of electricity 
• good conductors of heat and electricity

Tags

NGSS.MS-PS3-3

which one only has one type of atom In it.

• Element
• compound

Tags

NGSS.MS-PS1-1

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1