Chemistry Regents Review

What information does a subscript number tell us?

• the number of atoms per element

• the number of molecules per formula

Tags

NGSS.MS-PS1-1

What information does the coefficient in an equation give us?

• the number of atoms per element

• the number of molecules per formula

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NGSS.MS-PS1-5

Which formula has 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.

• 
• 
• 
• 

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NGSS.MS-LS1-6

12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed? 

• 28 g

• 4g

• 30g

• 12g

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

The number of atoms of  N (nitrogen) in 3N₂O₅ is

• 2

• 5

• 6

• 15

Tags

NGSS.MS-PS1-1

What is the atomic mass for this element?

• 6

• 12.0107

• 6.0107

• 18.0107

Tags

NGSS.MS-PS1-1

What 2 elements make up water?

• Hydrogen and Carbon

• Carbon and Oxygen

• Hydrogen and Oxygen

• Oxygen and Helium

Tags

NGSS.MS-PS1-1

How many molecules are in this formula?

• 1

• 2

• 3

• 6

Tags

NGSS.MS-PS1-1

What substance commonly exists in what 3 states of matter?

• Oxygen

• Carbon Dioxide

• Rust

• Water

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NGSS.MS-PS1-4

How many molecules are in the Reactant?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1