Elements, Compounds, And Mixtures Question Preview (ID: 9113)


Basic Chemistry. TEACHERS: click here for quick copy question ID numbers.

When a substance can be easily separated into different parts, it is probably a ____________.
a) mixture
b) compound
c) pure substance
d) element

What parts of an atom are found inside the nucleus?
a) protons and neutrons
b) electrons and protons
c) neutrons and electrons
d) ions and electrons

How are different elements identified?
a) by the number of protons
b) by the number of neutrons
c) by the number of electrons
d) by their weights

When water is used to dissolve other substances, water is being used as a ___________.
a) solvent
b) solute
c) precipitate
d) solution

Which of the following pH levels would be an acid?
a) 2.5
b) 7.0
c) 9.4
d) 10.0

Two or more different elements bonded together...
a) compound
b) mixture
c) atom
d) solution

Which of the following subatomic particles is shared between atoms when they bond?
a) electrons
b) protons
c) neutrons
d) nuclei

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) heterogeneous mixture
c) compound
d) element

Which of the following substances is a compound?
a) carbon dioxide
b) sugar water
c) oxygen
d) hydrogen

Which of the following is made of one type of atom?
a) Element
b) Compound
c) Mixture
d) Solution

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