Structure of Matter
Authored by Raktima Debbarma
Chemistry, Science
7th - 8th Grade
NGSS covered
Used 451+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of atoms present in a molecule of an element is know as
Valency
Formula
Atomicity
Symbol
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Smallest particle of a compound is?
Molecule
Atoms
.
Radical
Valency
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a certain compound has a formula H4X, what is the valency of X
1
4
3
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol of gold?
G
go
Au
Gl
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is not a mixture?
Common salt
Milkshake
Lemon juice
Air
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total elements are present in the earth?
112
116
118
92
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Valency of carbon is?
1
2
3
4
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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