IG CHEM chapter 1-5 review
Authored by Peiting Ruan
Chemistry, Science
10th Grade
NGSS covered
Used 6+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which change occurs during freezing?
solid to liquid
liquid to solid
liquid to gas
gas to liquid
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A compound has the formula CH3CH2COH. What is its relative molecular mass, Mr?
58
57
74
73
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which two elements could form a covalent compound?
sodium and fluorine
calcium and bromine
carbon and hydrogen
chlorine and helium
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which changes are physical changes?
melting ice
burning wood
painting wall
break a window
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number of protons in 31P- ?
16
31
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number of neutrons in 31P- ?
16
31
15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number of electrons in 31P- ?
16
31
15
Tags
NGSS.HS-PS1-1
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