Counting Atoms

How many atoms of Hydrogen are in H₂O

• 1

• 2

• 3

• more than 3

Tags

NGSS.MS-PS1-1

How many different elements are present in H₂COCH₂

• 5

• 4

• 3

• 2

Calculate the number of Oxygen atoms in Al(OH)₃

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in H₂SO₄ ?

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

How many total POTASSIUM atoms are in this formula?

• 8

• 2

• 4

• 12

Tags

NGSS.MS-PS1-1

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms of Iron are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following shows the elements with correct numbers of ATOMS for this molecule

H₂SO₄

• H = 2, S = 4, O = 4

• H = 2, S = 1, O = 4

• H = 8, S = 4, O = 4

• H = 2, SO = 4

Tags

NGSS.MS-PS1-1

Number of C's in 2Na₂CO₃

• 1
• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1