Worksheets8th Grade Chemistry Basics (8.8AB) Review
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
_______ and _______ are located inside of the nucleus.
a)
Electrons and Protons
b)
Protons and Neutrons
c)
Neutrons and Electrons
2.
If a Carbon atom has 6 protons, how many electrons will it have?
a)
2
b)
4
c)
6
d)
8
3.
What charge does a neutron have?
a)
+1
b)
-1
c)
No charge
4.
Is Potassuim (K) a metal, non-metal, or a metalloid?
a)
Metal
b)
Non-Metal
c)
Metalloid
d)
Other
5.
The elements in a column of the periodic table...
a)
have similar atomic numbers
b)
start with the same letter
c)
have similar properties
d)
are not related in any way
6.
Which group of elements have both metal and non-metal characteristics?
a)
lanthanides
b)
metalloids
c)
actinides
d)
noble gases
7.
Is Helium (He) metal, non-metal, or metalloid?
a)
metal
b)
non-metal
c)
metalloid
8.
A row on the periodic table of elements is called a...
a)
Period
b)
Group
c)
Family
d)
Column
9.
The elements in this group have 7 outer electrons.
a)
Group 1
b)
Group 7
c)
Group 17
10.
The elements in this group only have 1 outer electron.
a)
Group 11
b)
Group 1
c)
Group 3
d)
Group 18
11.
The elements in this group have 5 outer electrons.
a)
Group 5
b)
Group 1
c)
Group 18
d)
Group 15
12.
Carbon has an atomic number of 6. What can you conclude about carbon from this fact?
a)
It has six protons
b)
It has six neutrons
c)
It has six electrons
d)
It has six positrons
13.
Which of the following is a true statement?
a)
Periods form horizontal row; groups form vertical columns
b)
Groups form horizontal rows; periods form vertical columns
c)
Categories form horizontal row; gases form vertical columns
d)
Gases form horizontal rows; categories form vertical columns
14.
What particle provided the positive charge for an atom?
a)
proton
b)
neutron
c)
electron
d)
nucleus
15.
Which particle does not contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
16.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
17.
The dense, positively charged mass located in the core of the atom.
a)
nucleus
b)
proton
c)
isotope
d)
molecule
18.
The _________ of an element equals the number of protons in an atom of that element
a)
mass number
b)
atomic weight
c)
atomic number
d)
isotopes
19.
The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.
a)
mass number
b)
atomic number
c)
atomic weuight
d)
isotope weight
20.
The mass number of an element that has18 protons, 18 electrons, and 19 neutrons is _____.
a)
12.5
b)
13
c)
25
d)
37
21.
The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
a)
9
b)
10
c)
19
d)
28
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