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WorksheetsPeriodic Table
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
2.
Sodium (Na) is found in period
a)
3
b)
2
c)
4
d)
1
3.
Sodium (Na) is found in group
a)
1
b)
2
c)
3
d)
4
4.
The atomic number tells you what? READ THE ANSWERS CAREFULLY
a)
only the number of electrons
b)
only the number of protons
c)
only the number of neutrons
d)
the number of both electrons and protons in an atom.
5.
What does the atomic mass tell you?
a)
Basically,the number of electrons and protons
b)
The number of neutrons
c)
Basically, the number of protons and neutrons
d)
The number of protons.
6.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
7.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
8.
The horizontal (side to side) rows in the Periodic Table are called
a)
groups
b)
families
c)
periods
d)
atomic numbers
9.
All matter is made of .....
a)
energy
b)
atoms
c)
air
d)
chemistry
10.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
11.
Which subatomic particle has a negative charge in the atom?
a)
proton
b)
neutron
c)
electron
d)
quark
12.
Which is a proton?
a)
A
b)
B
c)
C
13.
Which is an electron?
a)
A
b)
B
c)
C
14.
Which is a neutron?
a)
A
b)
B
c)
C
15.
What is the name of this element?
a)
Helium
b)
Rubidium
c)
Hydrogen
d)
Mercury
16.
What element is this?
a)
Silver
b)
Silicon
c)
Sulfur
d)
Selenium
17.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
18.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
19.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
20.
How many protons and electrons does nickel have?
a)
28
b)
58.69
21.
How many elements are in the noble gas family?
a)
7
b)
5
c)
6
d)
8
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