atoms and molecules practice

How many atoms are in O₂ ?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

How many atoms of each element are in NaCl?

• Na=1, Cl=1

• Na=2. Cl=2

• Na=1, Cl-2

Tags

NGSS.MS-PS1-1

HCl has how many atoms of each element?

• H=1, Cl=1

• H=2, Cl=2

• H=3, Cl=1

Tags

NGSS.MS-PS1-1

C₆H₁₂O₆ has how many total atoms?

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1

C₁₂H₂₂O₁₁ has how many carbon atoms?

• 1

• 11

• 12

• 45

Tags

NGSS.MS-PS1-1

How many elements are in this compound?... NaHCO₃

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

4 NaCl represents several molecules of table salt. How many atoms of chlorine are present in this example?

• 1

• 4

• 8

Tags

NGSS.MS-PS1-1

2 H₂O gives us life! How many total atoms are represented here?

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

Tags

NGSS.MS-PS1-1

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1