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Elements, Compounds, And Mixtures
Test Description: Basic chemistry
Instructions: Answer all questions to get your test result.
1) Which of the following is made of one type of atom?
A
Element
B
Compound
C
Solution
D
Mixture
2) Which of the following is a substance made of several molecules mixed evenly throughout, so you can not see the different parts?
A
homogeneous mixture
B
element
C
heterogeneous mixture
D
compound
3) Which of the following substances is a compound?
A
oxygen
B
hydrogen
C
sugar water
D
carbon dioxide
4) Which of the following subatomic particles is shared between atoms when they bond?
A
neutrons
B
nuclei
C
protons
D
electrons
5) Two or more different elements bonded together...
A
compound
B
solution
C
mixture
D
atom
6) When water is used to dissolve other substances, water is being used as a ___________.
A
solvent
B
solution
C
precipitate
D
solute
7) Which of the following pH levels would be an acid?
A
7.0
B
2.5
C
9.4
D
10.0
8) What parts of an atom are found inside the nucleus?
A
electrons and protons
B
neutrons and electrons
C
ions and electrons
D
protons and neutrons
9) How are different elements identified?
A
by the number of protons
B
by their weights
C
by the number of electrons
D
by the number of neutrons
10) When a substance can be easily separated into different parts, it is probably a ____________.
A
mixture
B
pure substance
C
compound
D
element
*select an answer for all questions
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