Classification Of Matter Question Preview (ID: 43268)

Atoms, Elements, Compounds, Molecules. TEACHERS: click here for quick copy question ID numbers.

What is the product of a chemical reaction combining 2 elements together?
a) metal
b) mixture
c) solution
d) compounds

When oxygen combines with hydrogen, which substance is formed?
a) water
b) vinegar
c) hydrochloric acid
d) hydrogen dioxide

Which substance is composed of only one type of atom?
a) water
b) gold
c) salt
d) sugar

What is the smallest unit of an element that retains the properties of that element?
a) electron
b) molecule
c) neutron
d) atom

In this 2 or more substances are physically combined. Each substance retains its own physical characteristics.
a) compound
b) molecules
c) elements
d) mixtures

In which state of matter do atoms move the LEAST
a) solid
b) liquid
c) gas

In order to go from one phase to the next what type of energy must be added or removed
a) potential
b) electrical
c) heat

In which state of matter are atoms the furthest apart
a) solid
b) gas
c) liquid

Which of the following is an example of a compound?
a) copper
b) iron
c) carbon
d) water

What is one way to separate salt from water
a) sifting
b) filtration
c) evaporation
d) magnetism

water, table salt, and sugar are all what type of matter
a) element
b) compound
c) mixture

Air, bronze and salad are all what type of matter
a) mixtures
b) compounds
c) elements

What is the common name for the compound NaCl
a) sugar
b) water
c) table salt
d) sodium

This is a pure substance that has only 1 type of atoms
a) element
b) compound
c) molecule
d) atoms

This is composed of 2 different elements chemically combined
a) atoms
b) elements
c) compounds
d) molecules

What is the basic of matter
a) atoms
b) elements
c) compounds
d) molecules

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