Chemistry ReviewA Question Preview (ID: 32739)
Chem.
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A campfire is an example of
a) Chemical Change
b) Physical change
c)
d)
Ripping a piece of paper in half is
a) Chemical Change
b) Physical Change
c)
d)
How many different periodic table families are there?
a) 7
b) 10
c) 6
d) 5
Electrons charge is
a) Negative
b) Positive
c) Neutral
d)
Two subatomic particles found in the nucleus of an atom?
a) Protons/Neutrons
b) Protons/Neurons
c) Protons/Electrons
d) Protons/Electricity
A characteristic of a metal
a) Malleable
b) Dull
c) Brittle
d) Poor Conductor
Metalloids have characteristics of metals and nonmetals
a) True
b) False
c)
d)
Another name for a group on the periodic table
a) Row
b) Column
c)
d)
Another name for the rows on the periodic table
a) Group
b) Period
c)
d)
The atomic number is also the number of..
a) Protons/Electricity
b) Protons/Electrons
c) Protons/Neutrons
d)
A mixture that is not uniform and you can visually see
a) Heterogeneous
b) Homogeneous
c)
d)
When two or more elements combine
a) Element
b) Compound
c) Mixture
d)
What three subatomic particles make up an element?
a) Protons/Neutrons/Electricity
b) Positivity/Neutrons/Electrons
c) Protons/Neurons/Electrons
d) Protons/Neutrons/Electrons
Definition of Matter
a) Anything that has a mass and takes up space
b) Makes up everything
c) Both Answers 1 and 2
d)
When a substance only changes its appearance and can be easily reversed
a) Physical Change
b) Chemical Change
c)
d)
When a substance changes its form and is usually irreversible
a) Physical Change
b) Chemical Change
c)
d)
Ionic bonds are formed when metals and nonmetals chemically bond
a) True
b) False
c)
d)
The up and down row of elements on the periodic table is known as a
a) Row
b) Column
c)
d)
What kind of bond is a nonmetal to nonmetal?
a) Covalent
b) Ionic
c)
d)
What does the coefficient tell you in a chemical formula?
a) How many molecules in a chemical formula
b) How many atoms in a chemical formula
c)
d)
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