WorksheetsChapter 3 review
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
Part of the periodic table that gives you the number of protons.
a)
atomic mass
b)
atomic number
c)
group number
2.
Contains both the protons and the neutrons in an atom.
a)
atomic mass
b)
atomic number
c)
group number
3.
A charged atom is called an ...
a)
electron
b)
proton
c)
neutron
d)
ion
4.
This is a shell model of ...
a)
phosphorus
b)
fluorine
c)
potassium
5.
How many valence electrons are there in this model?
a)
2
b)
17
c)
7
d)
8
6.
Carbon is in group 14, how many valence electrons are in this dot diagram?
a)
1
b)
2
c)
3
d)
4
7.
How many electrons can the fill the first energy level in an atom?
a)
1
b)
2
c)
4
d)
8
8.
Which group is the least reactive in the periodic table?
a)
1
b)
2
c)
17
d)
18
9.
If there are 10 protons and 11 neutrons in the nucleus of an atom, what is its atomic mass?
a)
10
b)
11
c)
21
10.
How many neutrons are in an argon atom?
a)
18
b)
22
c)
40
11.
Which group is highly reactive with group 17?
a)
1
b)
2
c)
17
d)
18
12.
How many electrons will fill the second energy level of an atom?
a)
1
b)
2
c)
6
d)
8
13.
Which of the following is the correct dot diagram for beryllium?
a)
B:
b)
Be:
c)
Be.
d)
B.
14.
The outer electrons involved in bonds are called...
a)
virtual
b)
valence
c)
transit
d)
transformers
15.
The independent variable in the floating egg lab...
a)
amount of water
b)
amount of salt
c)
the egg
16.
Ratio of atoms in MgCl2
a)
1 sodium to 2 chlorine
b)
1 magnesium to 2 chlorine
c)
2 of both
d)
1 of each
17.
Convert 1.04 grams to milligrams
a)
1,040 mg
b)
1.040 mm
c)
10.4 mg
d)
.00104 mg
18.
What is the chemical name for BeO?
a)
Boron oxide
b)
berylliumide oxide
c)
beryllium oxide
d)
beryllium trioxide
19.
Which is the correct formula sodium chloride?
a)
NaCl2
b)
NaCl
c)
SCl
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