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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
Mixture
B
Compound
C
Element
D
Solution
2) Which of the following is a substance made of several molecules mixed evenly throughout, so you can not see the different parts?
A
element
B
compound
C
homogeneous mixture
D
heterogeneous mixture
3) Which of the following substances is a compound?
A
carbon dioxide
B
sugar water
C
hydrogen
D
oxygen
4) Which of the following subatomic particles is shared between atoms when they bond?
A
electrons
B
neutrons
C
protons
D
nuclei
5) Two or more different elements bonded together...
A
solution
B
atom
C
mixture
D
compound
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
10.0
B
2.5
C
9.4
D
7.0
8) What parts of an atom are found inside the nucleus?
A
ions and electrons
B
electrons and protons
C
protons and neutrons
D
neutrons and electrons
9) How are different elements identified?
A
by the number of neutrons
B
by the number of electrons
C
by the number of protons
D
by their weights
10) When a substance can be easily separated into different parts, it is probably a ____________.
A
pure substance
B
compound
C
mixture
D
element
*select an answer for all questions
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