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Elements and compounds
By Mark Saucedo
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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.
CS
Element
Compound
Question 2
2.
NH3
Element
Compound
Question 3
3.
F2
Element
Compound
Question 4
4.
P10
Element
Compound
Question 5
5.
IF7
Element
Compound
Question 6
6.
Cu
Element
Compound
Question 7
7.
C60
Element
Compound
Question 8
8.
KF
Element
Compound
Question 9
9.
NO2
Element
Compound
Question 10
10.
Sn
Element
Compound
Question 11
11.
H2
Element
Compound
Question 12
12.
CO2
Element
Compound
Question 13
13.
S8
Element
Compound
Question 14
14.
CH4
Element
Compound
Question 15
15.
Na
Element
Compound
Question 16
16.
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
Question 17
17.
Which of the following substances is considered an element?
A CO2
B BH3
C Br2
D KI
Question 18
18.
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
Question 19
19.
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
Question 20
20.
Co
5. Which elements are in the formula shown above?
A Copper only
B Cobalt only
C Carbon and Oxygen
D Carbon and Osmium
Question 21
21.
6. Which of the following substances is considered a compound?
A CO
B O3
C Cl2
D Cs
Question 22
22.
How many different elements are in a compound with the formula H2CrO4?
A 1 element
B 2 elements
C 3 elements
D 4 elements
Question 23
23.
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
Question 24
24.
Which elements are in the chemical formula shown above?
A Potassium only
B Polonium only
C Phosphorus and oxygen
D Potassium and oxygen
