Intro To Matter Test Review Question Preview (ID: 43691)

Matter, Elements, Compounds, Mixtures, States Of Matter, Phase Change, Atomic Structure. TEACHERS: click here for quick copy question ID numbers.

How would you calculate an atom’s atomic mass?
a) Add protons and electrons
b) Subtract atomic mass from number of electrons
c) Add protons and neutrons
d) Subtract protons from neutrons

As matter changes state from gas to liquid, which of these statements is true?
a) The particles speed up.
b) The particles get farther apart.
c) The particles slow down.
d) The attractive force between the particles decreases.

How many neutrons would Neon have?
a) 10
b) 20
c) 15
d) 20.18

How many protons would Aluminum have?
a) 12
b) 13
c) 26
d) 27

Which is the state of matter with the fastest moving particles?
a) solid
b) liquid
c) gas

Which is the state of matter with the following characteristics? - Has a definite, fixed volume. - Has a variable shape. - Particles are constantly moving and sliding by one another.
a) solid
b) liquid
c) gas

Starting with an ice cube, name the states of matter you would see, in order, as the ice was heated?
a) Solid, liquid, gas
b) Solid, gas, liquid
c) Liquid, solid, gas
d) Gas, liquid, solid

What needs to be added to a substance to get it to change from a solid to a liquid to a gas?
a) atoms
b) heat energy
c) plasma
d) chemical energy

Which of the following would have the least orderly particle arrangement?
a) Gold (solid)
b) Milk (liquid)
c) Helium (gas)

When two or more substances combine, but each keeps its own properties, the new combination is called a(an)
a) pure substance
b) element
c) compound
d) mixture

Which of the following best describes ice?
a) Particles are packed together very closely
b) Particles are farther apart than liquid or steam
c) the particles are somewhat clumped, but do not have a recognizable pattern
d) Particles have an arrangement that is extremely random

Air is made up of gases like carbon dioxide, oxygen, and nitrogen. Air is a
a) Mixture of compounds
b) Pure substance made of elements
c) Mixture of pure substances
d) Compound made of elements

Brass (like a trumpet) is mixtures of copper and zinc. Which best describes brass?
a) element
b) Homogeneous mixture
c) Pure substance
d) Heterogeneous mixture

Under a microscope, sand looks like different types of rocks. It would best be categorized as...
a) element
b) Homogeneous mixture
c) Pure substance
d) Heterogeneous mixture

Which substances are compounds? Iron (Fe), Sodium Chloride (NaCl), Carbon Dioxide (CO2), Aluminum (Al)
a) Iron and Aluminum
b) Iron and Carbon Dioxide
c) Sodium chloride and Carbon dioxide
d) Aluminum and Sodium chloride

How many of the listed substances are elements? HCl, S, Fe, Cu, Au, CaO, NaOH, NaCl, Al
a) 3
b) 4
c) 5
d) 6

Water is formed when two hydrogen atoms bond to an oxygen atom. The hydrogen and the oxygen in this example are different...
a) elements
b) compounds
c) complexes
d) molecules

How many electrons would a neutral atom of Calcium have?
a) 40
b) 20
c) 40.08
d) 20.08

One difference between mixtures and pure substances is that
a) mixtures can be physically separated.
b) pure substances have no chemical bonds.
c) mixtures are made of one type of atom.
d) pure substances can be physically separated.

Which of the following is TRUE?
a) Compounds form larger atoms
b) Pure substances do not contain atoms
c) Compounds are found inside atoms
d) Atoms combine to form compounds

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