Quiz about Elements and Compounds DCP2 Review

Question 1

Each element has a chemical _________ that is made up of one or two letters.

Accepted Answer

symbol

Answer

name

Answer

number

Answer

mineral

Question 2

The periodic table is a listing of all the ____________.

Accepted Answer

elements

Answer

chemical formulas

Answer

compounds

Answer

periods

Question 3

Which of the following is a compound?

Accepted Answer

CO

Answer

He

Answer

Si

Answer

Co

Question 4

Element or Compound?
H₂SO₄

Accepted Answer

Compound

Answer

Element

Question 5

Element or Compound?
Au

Accepted Answer

Element

Answer

Compound

Question 6

What does the C represent?

Accepted Answer

chemical symbol

Answer

atomic mass

Answer

atomic number

Answer

element name

Question 7

How many elements are in the compound Fe₂O₃?

Accepted Answer

2

Answer

0

Answer

1

Answer

3

Question 8

Provided is a list of five different substances. How many of these substances are elements?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 9

How many different elements are in this chemical formula: C₂H₂ClK₃

Accepted Answer

4

Answer

6

Answer

8

Answer

2

Question 10

Which of the following lists contains only elements?

Accepted Answer

Al, Cl, He, Br

Answer

Au, Br, O, NaCl

Answer

He, H, Cl, H₂O

Answer

BrO, CHO, O

Question 11

Which of the following is NOT a list of only elements?

Accepted Answer

H, O, Ar, H₂O

Answer

Br₂, He, Au, Si

Answer

Cd, S, Po, Xe₃

Answer

K, Li, H₂, Na

Question 12

Which of the following is an element?

CH₄ + 2O₂ --> CO₂ + 2H₂O

Accepted Answer

2O2

Answer

CH4

Answer

CO2

Answer

2H2O

Question 13

The ocean is made up of mostly water. What are the elements that make up water?

Accepted Answer

Hydrogen and oxygen

Answer

Hydrogen and water

Answer

Hydrogen and helium

Answer

Water is just water

Question 14

Organic compounds always contain:

Accepted Answer

C and H

Answer

He and Ca

Answer

C and He

Answer

O and C

Question 15

How many elements are in the compound Fe₂O₃?

Accepted Answer

2

Answer

0

Answer

1

Answer

3

Question 16

Which of the following chemical formulas represents a compound?

Accepted Answer

CH3

Answer

C3

Answer

O2

Answer

H2

Question 17

Which of the following would be classified as Organic?

Accepted Answer

CH4O

Answer

CO2

Answer

SiO2

Answer

NH3

Question 18

The formula for a substance is shown below.

CO

Which elements are shown above?

Accepted Answer

Carbon and Oxygen

Answer

Copper only

Answer

Cobalt only

Answer

Carbon and Osmium

Question 19

The formula for a substance is shown below.

Cl₂

Which elements are shown above?

Accepted Answer

Chlorine only

Answer

Carbon and Iodine

Answer

Chlorine and Iodine

Answer

Carbon and Chlorine

Question 20

Which of the following is considered a compound?

Accepted Answer

CO

Answer

Fe4

Answer

He3

Answer

Mg

Elements and Compounds DCP2 Review

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science