Chemistry Semester Review
Authored by Charles Martinez
Science
6th - 8th Grade
NGSS covered
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26 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This symbol indicates a _______.
neutron
proton
electron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What information does a subscript number tell us?
the number of atoms per element
the number of molecules per formula
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An electron is located ...
in the nucleus.
outside the nucleus.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass for this element?
6
12.0107
6.0107
18.0107
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The center of an atom is called
a/an __________.
atomic mass
nucleus
proton center
energy shell
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons are in an Calcium atom?
20
40.08
60
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic number of an element is determined by the _________ of ________ in the nucleus.
protons, neutrons
number, electrons
electrons, protons
number, protons
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