WorksheetsAtoms and the Periodic Table of Elements
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What group number does Alkali metals belong to?
a)
1
b)
2
c)
3
d)
4
2.
What group number does Oxygen group belongs to?
a)
1
b)
2
c)
8
d)
16 (6)
3.
What is the symbol for cobalt?
a)
C
b)
Co
c)
Cu
d)
Cl
4.
How many protons are there in zinc?
a)
12
b)
10
c)
20
d)
30
5.
Elements of the Periodic Table are ordered according to their....
a)
element name
b)
number of atoms
c)
element symbol
d)
atomic number
6.
What is the mass number defined as?
a)
number of protons
b)
number of neutrons
c)
the number of protons and neutrons
d)
the number of protons and electrons
7.
What does the C represent?
a)
Atomic mass
b)
element name
c)
atomic number
d)
chemical symbol
8.
What does 196.967 represent?
a)
atomic mass
b)
element name
c)
atomic number
d)
chemical symbol
9.
How many protons are in this element?
a)
200
b)
80
c)
120
d)
Cannot be determined.
10.
What is the atomic number for oxygen?
a)
1
b)
8
c)
16
d)
119
11.
Protons and electrons are found in the nucleus of elements.
a)
True
b)
False
12.
The Periodic Table is arranged alphabetically.
a)
True
b)
False
13.
What is the symbol for Helium?
a)
Hi
b)
He
c)
H
d)
Hl
14.
What is the positive charged particle?
a)
Neutron
b)
Proton
c)
Electron
15.
What is the symbol for Nitrogen?
a)
Ni
b)
Nt
c)
N
d)
Na
16.
What is the symbol for Fluorine?
a)
K
b)
Fo
c)
Fl
d)
F
17.
What is the symbol for Neon?
a)
Nn
b)
No
c)
Ni
d)
Ne
18.
The first shell of an atom can hold how many electrons?
a)
8
b)
2
c)
0
d)
10
19.
What charge does the electron have?
a)
negative
b)
neutral
c)
positive
20.
Most of the elements in the periodic table are classified as...
a)
metal
b)
nonmetals
c)
metalloids
d)
gases
21.
Which scientist is credited with first organizing or publishing the Periodic Table of Elements?
a)
Albert Einstein
b)
Louis Pasteur
c)
Dmitri Mendeleev
d)
Isaac Newton
22.
Elements of the same group have....
a)
similar properties
b)
similar mass
c)
same number of shells
d)
same number of electrons
23.
Which does NOT belong to the group?
a)
F
b)
Cl
c)
Na
d)
I
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