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Elements and compounds

Last updated over 7 years ago

24 questions

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Sulfur

Sodium

Chlorine

Nitrogen

Gold

Iron

Carbon

Copper

Hydrogen

Helium

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

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Question 18

18.

Question 19

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Question 20

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Question 21

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Question 22

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Question 23

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Question 24

24.

CS

Element 

Compound

NH3

Element 

Compound

F2

Element

Compound

P10

Element 

Compound

IF7

Element 

Compound

Cu

Element 

Compound

C60

Element 

Compound

KF

Element 

Compound

NO2

Element 

Compound

Sn

Element 

Compound

H2

Element 

Compound

CO2

Element

Compound

S8

Element 

Compound

CH4

Element 

Compound

Na

Element 

Compound

  
Which elements are in the formula shown above?

A Tin and Oxygen

B Sulfur, Nitrogen and Oxygen 

C Sulfur and Nobelium 

D Antimony and Oxygen

  
Which of the following substances is considered an element?

A CO2

B BH3

C Br2

D KI

CS 
  
Which elements are in the chemical formula shown above?

A Cesium only 

B Copper and Selenium

C Carbon and Sulfur 

D Carbon and Silicon

  CS
How many different elements are in a compound with the formula IF7?

A 1 element

B 2 elements 

C 7 elements

D 8 elements 

  
Co
5. Which elements are in the formula shown above?

A Copper only 

B Cobalt only 

C Carbon and Oxygen 

D Carbon and Osmium

  
6. Which of the following substances is considered a compound?

A CO

B O3  

C Cl2 

D  Cs

  
How many different elements are in a compound with the formula H2CrO4?

A 1 element  

B 2 elements 

C 3 elements

D 4 elements 

  
How many different elements are in a compound with the formula C5H11NO2S?
A 3 elements 
B 4 elements 
C 5 elements 
D 6 elements 

A 3 elements

B 4 elements

C 5 elements

D 6 elements

  
Which elements are in the chemical formula shown above?

A Potassium only 

B Polonium only  

C Phosphorus and oxygen 

D Potassium and oxygen