Chemistry - 7th Grade
Chemistry
7th Grade
NGSS covered
Used 831+ times
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105 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The atomic number of oxygen is
8
15.9994
16
O
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic mass of nitrogen is
7
14.007
21.007
Cannot be known from the given
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of protons in a sulfur atom is
0
16
32
None of the above answers
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of electrons in a Lithium atom is
3
4
6
7
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of neutrons in a Beryllium atom is
4
5
9
9.012
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the elements in this compound.
Carbon, Helium, Oxygen
Chromium, Hydrogen, Oxygen
Calcium, Hydrogen, Oxygen
Carbon, Hydrogen, Oxygen
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total number of atoms in this compound is
4
7
9
12
Tags
NGSS.MS-PS1-1
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