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WorksheetsMolecules
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
To turn from a gas to a liquid
a)
conduct
b)
pure substance
c)
suspension
d)
condense
2.
A material with a particular chemical makeup
a)
electron
b)
pure substance
c)
hydroxide ion
d)
boil
3.
A tiny, negatively charged particle that moves around the nucleus of an atom
a)
electron
b)
condense
c)
acid
d)
diffusion
4.
A chemical reaction; a process that changes substances into new substances
a)
conduct
b)
boil
c)
suspension
d)
chemical change
5.
To allow heat or electricity to pass through easily
a)
suspension
b)
pure substance
c)
diffusion
d)
conduct
6.
To change state from a liquid to a gas because of added heat
a)
diffusion
b)
boil
c)
acid
d)
condense
7.
Any substance with a pH less than 7
a)
base
b)
acid
c)
neutral
d)
boil
8.
A measure of acidity or alkalinity
a)
base
b)
substance
c)
pH
d)
atom
9.
Any substance with a pH higher than 7
a)
atom
b)
molecule
c)
substance
d)
base
10.
In chemistry, an ion having a negative charge consisting of one atom of oxygen and one atom of hydrogen
a)
suspension
b)
condense
c)
chemical change
d)
hydroxide ion
11.
A heterogeneous mixture in which fine particles are suspended in a liquid or gas when they are supported by buoyancy
a)
electron shell
b)
pure substance
c)
suspension
d)
condense
12.
Dispersion of substances in a gas or liquid
a)
boil
b)
acid
c)
diffusion
d)
chemical
13.
An element or compound
a)
pH
b)
chemical
c)
acid
d)
base
14.
The physical matter of which living or nonliving things are composed
a)
substance
b)
structure
c)
compound
d)
atom
15.
Something put together with materials that serves a purpose
a)
molecule
b)
structure
c)
compound
d)
solution
16.
A chemical combination of two or more elements
a)
dissociate
b)
molecule
c)
compound
d)
atom
17.
A mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles
a)
solution
b)
dissociate
c)
molecule
d)
structure
18.
molecules breaking into smaller molecules or ions
a)
molecule
b)
splitting
c)
dissociate
d)
separate
19.
Two or more atoms joined together
a)
compound
b)
molecule
c)
mixture
d)
condense
20.
An element that is a greenish gas at room temperature
a)
argon
b)
chloride
c)
sulfur
d)
chlorine
21.
The transfer of heat through fluid
a)
conduct
b)
convection
c)
boil
d)
condense
22.
The smallest unit of an element that has the properties of that element
a)
molecule
b)
compound
c)
element
d)
atom
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