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Chemistry ReviewA
Test Description: Chem
Instructions: Answer all questions to get your test result.
1) A campfire is an example of
A
Chemical Change
B
Physical change
2) Ripping a piece of paper in half is
A
Chemical Change
B
Physical Change
3) How many different periodic table families are there?
A
7
B
10
C
6
D
5
4) Electrons charge is
A
Neutral
B
Positive
C
Negative
5) Two subatomic particles found in the nucleus of an atom?
A
Protons/Neutrons
B
Protons/Electricity
C
Protons/Neurons
D
Protons/Electrons
6) A characteristic of a metal
A
Dull
B
Malleable
C
Brittle
D
Poor Conductor
7) Metalloids have characteristics of metals and nonmetals
A
True
B
False
8) Another name for a group on the periodic table
A
Column
B
Row
9) Another name for the rows on the periodic table
A
Period
B
Group
10) The atomic number is also the number of..
A
Protons/Electricity
B
Protons/Neutrons
C
Protons/Electrons
11) A mixture that is not uniform and you can visually see
A
Heterogeneous
B
Homogeneous
12) When two or more elements combine
A
Mixture
B
Element
C
Compound
13) What three subatomic particles make up an element?
A
Protons/Neutrons/Electrons
B
Protons/Neutrons/Electricity
C
Protons/Neurons/Electrons
D
Positivity/Neutrons/Electrons
14) Definition of Matter
A
Anything that has a mass and takes up space
B
Both Answers 1 and 2
C
Makes up everything
15) When a substance only changes its appearance and can be easily reversed
A
Chemical Change
B
Physical Change
16) When a substance changes its form and is usually irreversible
A
Chemical Change
B
Physical Change
17) Ionic bonds are formed when metals and nonmetals chemically bond
A
False
B
True
18) The up and down row of elements on the periodic table is known as a
A
Column
B
Row
19) What kind of bond is a nonmetal to nonmetal?
A
Covalent
B
Ionic
20) What does the coefficient tell you in a chemical formula?
A
How many atoms in a chemical formula
B
How many molecules in a chemical formula
*select an answer for all questions
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