Counting Atoms

Counting Atoms 1

100

K₂C

K= 2

C= 1

200

2PO₄

P= 2

O= 8

300

3(NO)₁₀

N= 30

O= 30

400

2(NH₄)₃N

N= 8

H= 24

500

8Cl₂O

Cl= 16

O= 8

Counting Atoms 2

100

Ca

Ca= 1

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

C₂S₂

C= 2

S=2

200

4Fe₂O₃

Fe= 8

O= 12

300

6Ba(MnO₄)₂

Ba= 6

Mn= 12

O=48

400

3V₂O₅

V= 6

O= 15

500

2K(NO2)₃

K= 2

N= 6

O= 12

Counting Atoms 4

100

MgSO₄

Mg= 1

S= 1

O= 4

200

8SCl₄

S= 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