Worksheets2D/P Chemistry Review Quiz
Total questions: 16
Worksheet time: 16mins
Trail Mix is best classified as a(n):
Mixture
Solution
Element
Compound
Hydrogen Peroxide (H₂O₂) is best classified as a(n):
Mixture
Solution
Element
Compound
Air is best classified as a(n):
Mixture
Solution
Element
Compound
Oxygen Gas (O₂) is best classified as a(n):
Mixture
Solution
Element
Compound
Fruit punch is best classified as a(n):
Mixture
Solution
Element
Compound
Iron (Fe) is best classified as a(n):
Mixture
Solution
Element
Compound
For Fe2O3 there are (a) Iron atoms, (b) Hydrogen atoms, and (c) Oxygen atoms
5
For C2H5OH there are (a) Carbon atoms, (b) Hydrogen atoms, and (c) Oxygen atoms
5
0
1
6
2
3
7
4
For Mg(NO3)2 there are (a) Magnesium atoms, (b) Nitrogen atoms, and (c) Oxygen atoms
5
0
3
7
4
For 3 CO2 there are (a) Carbon atoms, (b) Hydrogen atoms, and (c) Oxygen atoms
5
How many protons does Phosphorus have?
15
16
31
46
How many electrons does Fe have?
26
30
56
82
How many neutrons does Sodium have?
11
12
23
34
Which element has 5 protons?
Helium
Lithium
Boron
Nitrogen
This is a Bohr-Rutherford diagram for carbon. How many valence electrons does carbon have?
2
4
6
18
How many valence electrons does oxygen have?
1
6
16
2
