Counting Atoms

Counting Atoms 1

100

4K₂CO₃

K= 8

C= 4

O= 12

200

2Sr₃(PO₄)₂

Sr= 6

P= 4

O= 16

300

3N₄O₁₀

N= 12

O= 30

400

2(NH₄)₃N

N= 8

H= 24

500

8Cl₂O

Cl= 16

O= 8

Counting Atoms 2

100

Ca(C₂H₃O₂)₂

Ca= 1

C= 4

H= 6

O= 4

200

12NaBr

Na= 12

Br=12

300

4Al(OH)₃

Al= 4

O= 12

H= 12

400

3NaHCO₃

Na= 3

H= 3

C= 3

O= 9

500

5Ga₂(Cr₂O₇)₃

Ga= 10

Cr= 30

O= 105

Counting Atoms 3

100

7C₂S₂

C= 14

S=14

200

4Fe₂O₃

Fe= 8

O= 12

300

6Ba(MnO₄)₂

Ba= 6

Mn= 12

O=48

400

3V₂O₅

V= 6

O= 15

500

2KNO₃

K= 2

N= 2

O= 6

Counting Atoms 4

100

9MgSO₄

Mg= 9

S= 9

O= 36

200

8SnCl₄

Sn= 8

Cl= 32

300

6Cu₂SeO₄

Cu= 12

Se= 6

O=24

400

3AsBr₃

As= 3

Br= 9

500

2H₂SO₄

H= 4

S= 2

O= 8