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WorksheetsChapter 3 & 6 Atoms & Elements
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
Each of these is an example of matter except
a)
a baby
b)
heat
c)
a car
d)
a cloud
2.
A ________ is a particle with a negative charge
a)
isotope
b)
proton
c)
neutron
d)
electron
3.
A _______ is a particle with a positive charge
a)
neutron
b)
proton
c)
electron
d)
isotopes
4.
Rutherford's experiment showed that most of an atom is made of
a)
a nucleus
b)
empty space
c)
blank particles
5.
Who developed the atomic theory of matter?
a)
Democritcus
b)
Rutherford
c)
Dalton
d)
JJ Thomson
6.
What is an uncharged particle?
a)
Electron
b)
Proton
c)
Neutron
7.
Chadwick stated that what were unaffected by an electric field?
a)
isotopes
b)
protons
c)
neutrons
d)
electrons
8.
Small particles that make up matter
a)
Elements
b)
Compounds
c)
Atoms
d)
Mixtures
9.
J.J. Thomson discovered what?
a)
Electrons
b)
Protons
c)
Neutrons
10.
Anything that has mass and takes up space is
a)
matter
b)
volume
c)
density
11.
Water is an example of a
a)
compound
b)
heterogeneous mixture
c)
homogeneous mixture
d)
element
12.
Elements on the left side of the periodic table are
a)
metals
b)
metalloids
c)
brittle
d)
nonmetals
13.
Air is an example of
a)
compound
b)
heterogeneous mixture
c)
substance
d)
homogeneous mixture
14.
An atom of the element with the atomic number 8 always has
a)
8 electron clouds
b)
8 protons in the nucleus
c)
more than 8 neutrons
d)
atomic mass of 8
15.
Isotopes of an element contain the same number of
a)
electrons
b)
protons
c)
neutrons
d)
energy levels
16.
Chadwick's experiments included streams of _____ that were unaffected by an electric field
a)
alpha particles
b)
electrons
c)
neutrons
d)
protons
17.
A property NOT associated with metals is
a)
electric conductivity
b)
ductility
c)
shininess
d)
brittleness
18.
Matter that is NOT considered to be a single substance
a)
compound
b)
element
c)
mixture
d)
isotope
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