Unit 2 Test Review

Quiz
•
Science
•
10th Grade
•
Medium
+4
Standards-aligned
Samuel M Kauer
Used 62+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In chemical formulas, what do the tiny numbers (subscripts) represent?
The number of molecules
The number of atoms of the element
The number of chemical reactions
The number of products formed
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the chemical equation in the diagram, how many molecules of water are produced?
1
2
3
4
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Hydrogen are in the formula 5H₂?
2
5
10
15
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Sodium (Na) are there in the chemical formula 2Na₂SO₄?
2
4
6
8
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Sulfur (S) are there in the chemical formula 2Na₂SO₄?
1
2
3
4
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Oxygen (O) are there in the chemical formula 2Na₂SO₄?
4
8
12
16
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are there in the reactants of the chemical equation shown?
2
4
1
3
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
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