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WorksheetsChapter 4 Test Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Is a force that holds two or more atoms together?
a)
Chemical Bond
b)
Electron Dot Diagram
c)
Bohr Model
d)
Energy Level Diagram
2.
How do we know how many shells an energy level diagram will have?
a)
Atomic Number
b)
Periods
c)
Groups
d)
Mass Number
3.
What is a polar bond?
a)
When electrons are shared equally
b)
another name for an ionic bond
c)
when electrons are shared unequally
d)
a double bond
4.
How is an ionic bond formed?
a)
between neutral atoms
b)
when electrons are transferred
c)
when electrons are shared
d)
when electrons are combined
5.
Which type of elements form ionic bonds?
a)
metals and nonmetals
b)
only nonmetals
c)
metalloids and metals
d)
transition elements
6.
When an atom loses an electron it becomes a...
a)
an ionic bond
b)
a neutral atom
c)
a negative ion
d)
a positive ion
7.
When two atoms share electrons what type of bond is formed?
a)
an ionic bond
b)
a covalent bond
c)
a crystal bond
d)
no bond is formed
8.
Which of the following is a property of an ionic compound?
a)
low melting point
b)
low boiling point
c)
usually solids
d)
usually liquids or gases
9.
How many electrons are required to have a full shell (except H and He)?
a)
1
b)
3
c)
6
d)
8
10.
Which two particles are in the nucleus?
a)
electrons and protons
b)
protons only
c)
protons and neutrons
d)
neutrons and electrons
11.
What tells you how many protons are in an atom?
a)
atomic mass
b)
mass number
c)
valence electrons
d)
atomic number
12.
Which of the following is a property of covalent compounds?
a)
high melting point
b)
poor conductors
c)
high boiling point
d)
usually solids
13.
What is another name for covalent compounds?
a)
molecule
b)
ionic compound
c)
mixture
d)
chemical bond
14.
What is a double covalent bond?
a)
when electrons are transferred between 2 atoms
b)
when two pairs of electrons are shared
c)
when two positive ions are formed
d)
polar and nonpolar
15.
How do you know how many valence electrons an atom has?
a)
period #
b)
atomic number
c)
group #
d)
atomic mass
16.
When you pour a polar and nonpolar liquid into the same container what will happen?
a)
they will mix
b)
they will not mix
c)
they will react
d)
they will produce a solid
17.
What is a chemical formula?
a)
a hypothesis
b)
a group of symbols and numbers
c)
a picture of the molecule
d)
a dot diagram
18.
What does a dot diagram show?
a)
valence electrons
b)
total electrons
c)
atomic number
d)
mass number
19.
What is another name for the energy level diagram?
a)
Thomson model
b)
Lewis structure
c)
Bohr model
d)
Circle model
20.
Metals typically _________________ valence electrons.
a)
share
b)
gain
c)
lose
d)
split
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