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WorksheetsAtoms, Elements & the Periodic Table
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
All matter is made of
a)
atoms
b)
cells
2.
a)
Periods
b)
Groups
3.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
4.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
5.
Most of the elements on the periodic table are classified as "metal".
a)
True
b)
False
6.
Each element is, usually, given one or two letters known as a chemical symbol.
a)
True
b)
False
7.
Which of the following is the correct symbol for sodium?
a)
S
b)
Na
c)
So
d)
N
8.
The periodic table is organized into columns called _______ and rows called ______.
a)
groups and periods
b)
periods and groups
c)
categories and periods
d)
categories and groups
9.
What does the H stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
10.
What is the chemical symbol for Nitrogen
a)
N
b)
Ni
c)
He
d)
G
11.
What is the chemical symbol for Potassium
a)
P
b)
Ss
c)
K
d)
Po
12.
What is the chemical symbol for Copper
a)
Cu
b)
C
c)
F
d)
Fe
13.
What is the chemical symbol for Aluminum?
a)
A
b)
Al
c)
Au
14.
Mendeleev arranged the elements by their ________________
a)
alphabetical
b)
density
c)
melting point
d)
atomic mass
15.
Mendeleev left gaps in his periodic table because
a)
the table was too small.
b)
protons belonged there.
c)
the table was too full.
d)
no known elements fit there.
16.
Fe is the ___________________ for iron
a)
atomic number
b)
chemical symbol
c)
atomic mass
d)
protons
17.
Sodium (Na) is found in group
a)
1
b)
2
c)
3
d)
4
18.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
19.
Which one is a compound?
a)
Ni
b)
F
c)
Re
d)
NaCl
20.
Which element has an atomic number of 1?
a)
Lithium
b)
Oxygen
c)
Hydrogen
d)
Francium
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