Quiz about Chemical Formulas 23

Question 1

How many different elements are in 1 molecule of glucose? C₆H₁₂O₆

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 2

How many atoms of Carbon (C) are in C₆H₁₂O₆?

Accepted Answer

6

Answer

3

Answer

12

Answer

24

Question 3

Element or compound?

H₂O

Accepted Answer

compound

Answer

element

Question 4

Which of the following is a compound?

Accepted Answer

CO2

Answer

Co

Answer

O2

Answer

C

Question 5

Which is the correct formula for:

three hydrogen (H)

one sulfur (S)

four oxygen (O)

Accepted Answer

H3SO4

Answer

HSO4

Answer

H4S3O

Answer

H2O

Question 6

What is the total number of atoms in 1 molecule of sulfuric acid? H₂SO₄

Accepted Answer

7

Answer

6

Answer

5

Answer

3

Question 7

Which element has a similar reactivity as Calcium?

Accepted Answer

Barium

Answer

Potassium

Answer

Cesium

Answer

Nitrogen

Question 8

How many valence electrons does Iodine have?

Accepted Answer

7

Answer

6

Answer

16

Answer

17

Question 9

How many different elements are in the compound CH₃OH?

Accepted Answer

3

Answer

2

Answer

1

Answer

0

Question 10

If there is no subscript, there is ______ atom(s) of that element.

Accepted Answer

only 1

Answer

0

Answer

2

Answer

1 million

Question 11

Which is the correct formula for:
one carbon (C)
two oxygen (O)

Accepted Answer

CO2

Answer

CO

Answer

C2O

Answer

2CO

Question 12

How many Hydrogen(H) atoms are in CH₃OH?

Accepted Answer

4

Answer

12

Answer

7

Answer

24

Question 13

Which element is found in all of these compounds?
C₃H₆H₂0
NaHCO₃CH₃(OH)

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Sodium

Answer

Carbon

Question 14

How many atoms of sodium(Na) are found in baking soda, NaHCO₃?

Accepted Answer

1

Answer

3

Answer

4

Answer

2

Question 15

Which of these models best represents water, H₂O?

Accepted Answer

C

Answer

A

Answer

B

Question 16

Which two compounds contain the same total number of atoms?

Accepted Answer

CH₄and CaCO₃

Answer

H₂O and NaCl

Answer

C₂H₆ and NaHCO₃

Answer

CO and CO₂

Question 17

How many atoms of Aluminum (Al) are found in 1 molecule of Aluminum Sulfide? Al₂S₃

Accepted Answer

2

Answer

3

Answer

5

Answer

16

Question 18

Which of the following statements accurately describes the number of atoms in a molecule of ammonia (NH₃)?

Accepted Answer

One atom of nitrogen and three atoms of hydrogen

Answer

Three atoms of nitrogen and three atoms of hydrogen

Answer

Three atoms of nitrogen and one atom of hydrogen

Answer

One atom of nitrogen and one atom of hydrogen

Question 19

Which of the following accurately describes the chemical formula of the molecule shown above?

Accepted Answer

C3H8O

Answer

3CH8O

Answer

C3H7O

Answer

C₄H₈O₂

Question 20

Which of the following formulas would be used to describe molecule 4?

Accepted Answer

CH4O

Answer

C3HO

Answer

C4HO

Answer

CH3O

Question 21

How many atoms of carbon are in the formula CH₃CH₂CH₂OH?

Accepted Answer

3

Answer

1

Answer

7

Answer

4

Question 22

How many different elements are in the formula CH₃CH₂Br?

Accepted Answer

3

Answer

5

Answer

6

Answer

2

Question 23

Which of the following chemical formulas contains exactly 4 hydrogen atoms?

Accepted Answer

CH3CHO

Answer

CH3COONa

Answer

NH4OH

Answer

CH₃CH₂Cl

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