WOW #2.96 (Matter Test Review)

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

A pure substance that cannot be broken down into other substances by chemical or physical means. 

• compound          
• atom
• mixture 
• element

True or False: elements AND compounds are pure substances.

• True

• False

Tags

NGSS.MS-PS1-4

Is this a pure substance?

• Yes

• No

Answer explanation

No because it is a mixture and mixtures are not pure substances.

Tags

NGSS.MS-PS1-1

Is this a pure substance?

• Yes

• No

Answer explanation

Yes because it is an element and elements are pure substances.

Tags

NGSS.MS-PS1-1

Is this a pure substance?

• No

• Yes

Answer explanation

Yes because it is a compound and compounds are pure substances.

Tags

NGSS.MS-PS1-1

How many oxygen atoms are there in the compound HMgCO₃?

• 4

• 3

• 6

Tags

NGSS.MS-PS1-1

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1