Chem Final Review
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
+6
Standards-aligned
Clara Almeida
Used 18+ times
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46 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass number is equal to
the sum of the number of the neutrons and electrons.
the sum of the number of protons, neutrons, and electrons.
the sum of the number of the electrons and protons.
the sum of the number of protons and neutrons.
the number of protons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical change
occurs when baking soda is dissolved in water.
occurs when methane gas is burned.
occurs when ice melts.
occurs when paper is shredded
occurs when a rubber band is stretched.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a solution has a temperature of 55 K, what is its temperature in degrees Celsius?
12.8°C
-218°C
155°C
328°C
131°C
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following represents a physical property?
Sodium metal is extremely reactive with chlorine gas.
Neon has an unreactive nature.
Mercury is a silvery liquid at room temperature.
Methane is highly flammable.
Copper has a tendency to "rust."
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of Kr are contained in 398 mg of Kr?
33.4 mole Kr
1.19 × 10-4 moles Kr
2.99 × 10-3 moles Kr
4.75 × 10-3 moles Kr
2.11 × 10-4 moles Kr
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Read the temperature with the correct number of significant figures.
87.2°C
87°C
87.2000°C
87.20°C
87.200°C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the volume (in cm3) of a 43.6 g piece of metal with a density of 2.71 g/cm3?
22.3
19.5
4.30
3.33
16.1
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