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

Tags

NGSS.MS-PS1-1

4CF₂Cl₂

• C = 4, F = 4, Cl = 2

• C = 1, F = 8, Cl = 8

• C = 4, F = 8, Cl = 8

• C = 1, F = 4, Cl = 8

Tags

NGSS.MS-PS1-1

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

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 atoms are there TOTAL in H₂SO₄ ?

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

How many Sodium atoms are in 6NaCl?

• 1

• 12

• 6

Tags

NGSS.MS-PS1-1

How many elements are in this chemical formula?

HCl

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1