Counting Atoms Quiz

How many Hydrogen atoms are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1

How many Oxygen atoms are in H₂O?

• 1

• 2

• 0

• 4

Tags

NGSS.MS-PS1-1

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many Nitrogen atoms are in (NH₄)₂CrO₄?

• 1

• 2

• 8

• 16

Tags

NGSS.MS-PS1-1

How many atoms of Hydrogen are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

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

• 4

• 12

• 7

• 24

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

• 4

• 2

• 8

• 24

Tags

NGSS.MS-PS1-1

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1