Enviro Periodic Concepts Review

Multiple Choice

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Multiple Choice

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Multiple Choice

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Multiple Choice

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Multiple Choice

What is the atomic mass of Neon?

• 10
• 30
• 10.18
• 20.18

Multiple Choice

How many atoms of Carbon are in the compound C₂H₈O ?

• 8

• 2

• 1

• 11

Multiple Choice

How many Magnesium atoms are in 10MgCl₂?

• 10
• 5
• 20
• 12

Multiple Choice

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Multiple Choice

The number of Sodium (Na) atoms in Na₂CO₃

• 1

• 2

• 3

• 6

Multiple Choice

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Multiple Choice

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Multiple Choice

How many Oxygen (O) atoms are in Al₂(SO₄)₃

• 4

• 12

• 7

• 24

Multiple Choice

How many carbon atoms are in 2Na₂CO₃?

• 1

• 2

• 3

• 5