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Worksheets8th Science Midterm Quiz Review Part 1
Total questions: 20
Worksheet time: 10mins
What is matter?
Anything with mass, and takes up space
Anything with volume
Density
None of the Above
What is an atom?
An element
Smallest particle of an element
A particle of matter
All of the Above
What type of charge does an electron have?
Positive
Neutral
Negative
Where are electrons found?
Energy Levels
Nucleus
What type of charge does a proton have?
Negative
Neutral
Positive
Where are protons found?
Nucleus
Energy Levels
What type of charge does a neutron have?
Neutral
Positive
Negative
Where are neutrons located?
Nucleus
Energy Levels
What is the atomic number of an element?
Number of protons in the nucleus
Number of electrons in the energy levels
Number of neutrons in the nucleus
What is the atomic mass of an atom?
electrons + neutrons
neutrons + protons
protons + electrons
What are characteristics of metals?
(Choose all that apply)
Shiny, conducts heat and electricity well
Most solid at room temperature,
Poor conductor; brittle
Many are malleable, some are ductile
What are characteristics of nonmetals?
(Choose all that apply)
Poor conductors of heat
Poor conductors of electricity
Are dull and brittle
Are shiny and malleable
What are metalloids?
Elements that have some properties like metals and some like nonmetals
Only has properties of metals
Only has properties of nonmetals
What is the law of conservation of mass?
Energy cannot be created nor destroyed
Matter cannot be created nor destroyed by mass
Mass cannot be created or destroyed in a chemical reaction
None of the Above
Which scientist helped show the Law of Conservation of Matter is true?
Charles Darwin
Antione Lavoisier
Gregor Mendel
Dmitri Mendeleev
How many elements are known to exist?
200
114
106
118
How many elements are found in the earth?
90
78
86
92
How many groups are on the periodic table?
12 groups
16 groups
10 groups
18 groups
How many periods are on the periodic table?
6 periods
7 periods
10 periods
4 periods
What do elements in the same group have in common?
Same number of valence electrons
Same number of protons
Same number of electrons
Same number of neutrons
