Chemistry Final Exam

Quiz
•
Science
•
12th Grade
•
Hard
+6
Standards-aligned
Christopher Powers
FREE Resource
44 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which is an example of a solution?
flour and water
sand and water
salt and water
oil and water
ice and water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Dry ice, or solid carbon dioxide, has the molecular formula CO₂. How should you classify it?
element
compound
mixture
colloid
suspension
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which statement is true of a chemical change?
It involves changes in the molecular structure.
It involves changes in phase but not changes in the molecular structure.
It involves dissolving one substance into another.
It involves a change in the state, or phase, of a substance.
It involves the process of separating two or more dissolved substances.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which is a chemical property of hydrogen?
It is a light gas.
It is a combustible gas.
It is a colorless gas.
It has a boiling point of -252.87°C.
It is a good conductor of electricity.
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Which types of orbitals are found in the principal energy level n = 2?
s
s, f
s, d
s, p
s, p, d
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. What can you say about a calcium atom by looking at the symbol \( \frac{44}{20} \text{Ca} \)?
A calcium atom has 44 neutrons and 20 electrons.
A calcium atom has 20 protons and 24 electrons.
A calcium atom has 64 protons and 20 neutrons.
A calcium atom has 20 protons and 24 neutrons.
A calcium atom has 20 protons and 44 neutrons.
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the correct answer. Hydrogen (H-1), deuterium (H-2), and tritium (H-3) are the three isotopes of hydrogen. What are the values of a, b, and c in the table?
a = 2, b = 3, c = 2
a = 1, b = 2, c = 3
a = 2, b = 1, c = 3
a = 1, b = 1, c = 2
a = 1, b = 1, c = 1
Tags
NGSS.HS-PS1-4
NGSS.HS-PS1-8
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