Quiz about 7.6B Identifying Chemical Formulas ('24-'25)

Question 1

Identify the number of hydrogen (H) atoms in the chemical formula $$H_2O$$ .

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 2

Determine the number of oxygen (O) atoms in the chemical formula $$CO_2$$ .

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 3

How many sodium (Na) atoms are present in the chemical formula $$NaCl$$ ?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 4

In the chemical formula $$C_6H_{12}O_6$$ , how many carbon (C) atoms are there?

Accepted Answer

6

Answer

12

Answer

18

Answer

24

Question 5

Given the chemical formula $$H_2SO_4$$ , identify the number of sulfur (S) atoms.

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 6

Analyze the chemical formula $$CaCO_3$$ and determine the number of calcium (Ca) atoms.

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 7

In the chemical formula $$NH_3$$ , how many nitrogen (N) atoms are present?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 8

Evaluate the chemical formula $$C_2H_5OH$$ and identify the number of hydrogen (H) atoms.

Accepted Answer

7

Answer

5

Answer

6

Answer

8

Question 9

What molecule is shown?

Accepted Answer

H2O

Answer

CO2

Answer

NH4

Answer

O2H

Question 10

What molecule is shown?

Accepted Answer

NH3

Answer

NH4

Answer

N1H4

Answer

N1H3

Question 11

What is the correct chemical formula for the compound pictured?

Accepted Answer

H2O

Answer

H2

Answer

O2

Answer

H2O2

Question 12

Element or compound?
H₂O

Accepted Answer

compound

Answer

element

7.6B Identifying Chemical Formulas ('24-'25)

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