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WorksheetsAtoms and Elements
Total questions: 16
Worksheet time: 8mins
How many VALANCE ELECTRONS are present in this atomic structure?
2
6
4
Can not be determined
Protons have a ______ charge
Negative
Neutral
MIB
Positive
An Electron has a (a) charge
Neutron has a charge of______
Positive
Negative
Neutral
Number of Electrons= number of (a)
Usually the number of protons___the number of Neutrons
<
>
+
=
A Nucleus of an atom consists of____ and______
(a)
What is the atomic weight of an atom if the Electrons are 7?
14
7
4
21
Can not be determined
What is the atomic mass of the element fluorine?
18
19
20
9
4
Where is the atomic mass of the element mentioned?
Bottom
Top
On top and bottom both
It isn't mentioned!
Which element comes after Nitrogen?
(a)
Which element has 19 Electrons?
(a)
Which is the 31st Element?
Hydrogen
Oxygen
Gallium
glycerol
The particle in an atom that account for the most weight of the Atom.
Protons
Electrons
Neutrons
Nucleus
The particle in an atom that accounts least weight_______
Nucleus
Protons
Neutrons
Electron
How many Protons are present in this Element?
10
20
5
Can not be determined
