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WorksheetsChemistry Review Pt. 1
Total questions: 25
Worksheet time: 28mins
Name
Class
Date
1.
Which is an example of a physical property?
a)
rusting
b)
boiling point
c)
combustion
d)
reactivity with water
2.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
3.
This is made up of one or more of kind of the SAME kind of atom
a)
Element
b)
Mixture
c)
Compound
d)
Matter
4.
CaCl2
a)
Pure Substance & Element
b)
Pure Substance & Compound
c)
Mixture & Homogenous
d)
Mixture & Heterogenous
5.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
6.
What is happening at point #1?
a)
melting
b)
condensation
c)
freezing
d)
vaporization
7.
At what temperature do NaCl and KCl have the same solubility?
a)
25⁰
b)
30⁰
c)
35⁰
d)
40⁰
8.
At what point does the substance begin turning from a solid to a liquid?
a)
B
b)
C
c)
D
d)
E
9.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
0.3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
10.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
11.
Identify the element based on the following picture:
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
12.
This is the correct electron dot diagram for magnesium
a)
TRUE
b)
FALSE
13.
This is the correct electron dot diagram for aluminum
a)
TRUE
b)
FALSE
14.
How many valence electrons are in Phosphorus?
a)
15
b)
4
c)
5
d)
31
15.
How many valence electrons are in Phosphorus?
a)
15
b)
4
c)
5
d)
31
16.
Which would be the electron dot diagram for nitrogen?
a)
V
b)
W
c)
X
d)
Y
17.
Which would be the electron dot diagram for lithium?
a)
V
b)
W
c)
X
d)
Y
18.
Which would be the electron dot diagram for lithium?
a)
V
b)
W
c)
X
d)
Y
19.
How many protons are in Boron (B) ?
a)
3
b)
5
c)
10
d)
11
20.
How many electrons are in Manganese (Mn) ?
a)
12
b)
25
c)
55
d)
30
21.
Which element has 56 electrons ?
a)
Barium
b)
Boron
c)
Beryllium
d)
Bromine
22.
Which element has 12 neutrons ?
a)
Magnesium
b)
Sodium
c)
Silicon
d)
Sulfur
23.
Which element has 73 protons ?
a)
Titanium
b)
Tantulum
c)
Thallium
d)
Thorium
24.
What is the number of neutrons?
a)
34
b)
16
c)
18
d)
S
25.
What is the number of neutrons?
a)
34
b)
79
c)
45
d)
35
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