Chemistry - Semester 1 Final Exam Review
Authored by Joseph May
Chemistry
9th - 12th Grade
NGSS covered
Used 159+ times
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70 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What determines the identity of an atom?
number of protons
number of electrons
number of neutrons
number of valence electrons
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The particles in an atom that are neutral (have no charge) are called __________.
negatrons
electrons
neutrons
protons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Protons have a _____ charge while electrons have a _____ charge.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a neutral atom has 3 electrons, how many protons does it have?
7
6
4
3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An atom will be neutral (have no charge) if the number of protons is equal to the number of _____.
protons
neutrons
electrons
octets
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons does an atom with an atomic number of 6 have?
6
12
3
cannot be determined
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 1.00794 stand for?
hydrogen
atomic number
atomic mass
valence electrons
Tags
NGSS.HS-PS1-1
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