Counting Atoms Levels A, B, C, and D

What is the total number of atoms in Li?

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 1

• 2

• 3

• 4

What is the total number of atoms in Br?

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 1

• 2

• 3

• 4

What is the total number of atoms in Au?

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 1

• 2

• 3

• 4

What is the total number of atoms in Cl₃?

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 1

• 2

• 3

• 4

What is the total number of atoms in Ti₄?

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 1

• 2

• 3

• 4

What is the total number of atoms in Ai₇

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 4

• 5

• 6

• 7

What is the total number of atoms in H₂SO₄

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 4

• 5

• 6

• 7

What is the total number of atoms in 0₂H₁

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 3

• 5

• 6

• 7

What is the total number of atoms in Na₂Cl₉

(Steps):

1. 1. List the elements

1. 2. Identify if there are any coefficients or subscripts.

2. 3. Multiply and Add

• 11

• 12

• 10

• 13

What is the total number of atoms in 2NSO₄

(Steps):

1. 1. List the elements.

2. 2. Identify if there are any coefficients or subscripts.

3. 3. Multiply and Add

• 11

• 12

• 10

• 13