Chemistry Unit 1 Review
Authored by Jessica Thomason
Chemistry
8th Grade
NGSS covered
Used 416+ times
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16 questions
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1.
MATCH QUESTION
1 min • 5 pts
Noble Gases
Group 2
Transition metals
Group 17
Alkaline Earth Metals
Group 1
Alkali Metals
Group 18
Halogens
Groups 3-12
Tags
NGSS.HS-PS1-1
2.
MATCH QUESTION
1 min • 5 pts
2 or more substances that are NOT chemically combined
Molecules
Contain only one type of atom
Elements
At least 2 DIFFERENT atoms combined together
Compounds
at least 2 atoms combined together
Mixture
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
This periodic table shows elements 1 and 2 if element 1 has an atomic number of 19 what is the atomic number of element 2 ?
20
28
30
34
4.
MATCH QUESTION
1 min • 5 pts
Protons
located in the nucleus; have no charge; and no charge
neutrons
Located outside of the nucleus; have a negative charge; and a mass of 1/2000th of an amu
electrons
Located in the nucleus; have a positive charge; and a mass of 1 amu
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is a compound
water
hydrogen
nitrogen gas
oxygen
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is a compound and a molecule
Ca
CH
Tags
NGSS.MS-PS1-1
7.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
Uranium has an atomic number of 92 and an atomic mass of 238. What is the number of neutrons in Uranium?
(a)
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