Counting Atoms

How many atoms of Calcium are in this equation?

H₃O₅CaCl₇

• 3

• 5

• 1

• 7

Tags

NGSS.MS-PS1-1

How many atoms of Carbon are in this equation?

HʒC₅O₄

• 3

• 1

• 5

• 4

Tags

NGSS.MS-PS1-1

How many total atoms in the following equation?

ClN₆Fe₂

• 6

• 8

• 10

• 9

Tags

NGSS.MS-PS1-1

Identify the Coefficient.

3BeH₅Si₈

• 5

• 3

• 1

• 8

Identify the subscripts.

4Fe₅K₂

• 4

• 5

• 2

• 1

Tags

NGSS.MS-PS1-1

How many atoms of Iron in the following equation?

2HFe₅Cl

• 1

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1

How many atoms of Hydrogen are in this equation?

5Cl₂H₅

• 10

• 2

• 5

• 25

Tags

NGSS.MS-PS1-1

How many atoms of Iron in the following equation?

C₂HAu₅

• 2

• 0

• 9

• 7

Tags

NGSS.MS-PS1-1

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