NEW
Font size
S
M
L
XL
WorksheetsAtom Review
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
A(n) is matter that is composed of one type of atom.
a)
compound
b)
mixture
c)
element
d)
molecule
2.
The smallest piece of an element that still retains the properties of the element is a(n)
a)
atom
b)
molecule
c)
compound
d)
plasma
3.
The nucleus of an atom is charged.
a)
positively (+)
b)
negatively (-)
c)
variable
d)
not
4.
Neutrons have charge.
a)
positive
b)
negative
c)
variable
d)
none (neutral)
5.
Electrons have charge.
a)
positive
b)
negative
c)
variable
d)
no
6.
Protons have charge.
a)
positive
b)
negative
c)
variable
d)
no
7.
Each energy level of an atom has a maximum number of ____ it can hold
a)
neutrons
b)
protons
c)
quarks
d)
electrons
8.
Dot diagrams are used to represent .
a)
the nucleus
b)
atomic number
c)
isotopes
d)
outer (valence) electrons
9.
A chemical symbol represents the of an element.
a)
name
b)
structure
c)
reaction
d)
type
10.
Horizontal rows of the periodic table are called .
a)
groups
b)
families
c)
clusters
d)
periods
11.
Atoms of the same element with different numbers of neutrons are called .
a)
metalloids
b)
radioactive
c)
transition elements
d)
isotopes
12.
A particle that moves around the nucleus is a(n) .
a)
proton
b)
ion
c)
neutron
d)
electron
13.
A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.
a)
26
b)
30
c)
52
d)
56
Reset
