7th Semester 2 Review
Quiz
•
Science
•
7th Grade
•
Medium
+8
Standards-aligned
Robin Rickard
Used 20+ times
FREE Resource
Student preview
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chemical formula for Al₂(SO₄)₃. How many atoms of aluminum (Al) are in the chemical formula?
1
2
3
6
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the chemical formula Al₂(SO₄)₃, how many atoms of sulfur (S) are present?
1
12
3
4
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of oxygen (O) are in the chemical formula Al₂(SO₄)₃?
4
7
12
3
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula NH₄Cl, what is the total number of atoms involved?
4
5
6
7
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula for glucose is BaSO₄. How many elements does glucose contain?
1
3
5
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The table lists their observations from a student's lab experiment. Did a chemical change take place in any of the substances?
A chemical change occurred in all substances.
A chemical change occurred only in substance 2.
A chemical change occurred in substances 1 and 4.
A chemical change occurred in substances 2 and 3.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following are physical changes? Select TWO correct answers.
Iron rusting
Copper changing color
Boiling water
Hydrogen and oxygen producing water
Ice cream melting
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