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WorksheetsAtomic Structure History
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
How many namometres in 50 cm?
a)
50 x 10-9
b)
5 x 10-8
c)
5 x 10-7
d)
1/50 x 10-9
2.
Which of these statements was made by John Dalton?
a)
A nucleus contains protons and neutrons
b)
Electrons orbit an atom
c)
Atoms combine in whole number ratios
d)
Atoms can be divided
3.
Why are nanoparticles so important?
a)
They can fit into smaller spaces
b)
They are stronger than bigger particles
c)
Their small volume means they can entriely fill the container
d)
Their small surface area allows more contact area for reactions
4.
How many neutrons in this species?
a)
146
b)
238
c)
92
d)
148
5.
Which of these particles would NOT be deflected by an electric field?
a)
electron
b)
proton
c)
neutron
d)
metallic ion
6.
In Rutherford’s experiment, where would your expect the most alpha particles to strike the screen?
a)
1
b)
2
c)
3
7.
Mendeleev arranged his table according to..
a)
Electron configuration
b)
Atomic Mass
c)
Properties of the elements
d)
Properties and atomic mass of elements
8.
What is the electronic shell configuration of argon?
a)
2,8,8
b)
2,4,6,6
c)
2,8,10,2
d)
2,8,18,8,4
9.
According to the Bohr model of the atom….
a)
Light is emitted continuously as electrons revolve around he nucleus
b)
Light is released as an electron moves to a higher level
c)
Light produced due to repulsion of electrons
d)
Light is released when an electron drops from a higher to a lower level
10.
If element X has an electron configuration of 2,8,1 what is its atomic number?
a)
1
b)
11
c)
cannot tell because you need proton number
d)
cannot tell because you need mass number and number of neutrons
11.
Element X has an electronic configuration of 2,8,2. It is most likely to be...
a)
metal
b)
non metal
c)
impossible to say
12.
Element X has an electronic configuration of 2,8,4. It is most likely to be..
a)
In Group 4
b)
In Period 4
c)
Have 4 nucleons
d)
have 4 protons
13.
An atom has 14 protons, 15 neutrons and 14 electrons. Its mass number is….
a)
14
b)
15
c)
28
d)
29
14.
What charge is the ion formed from element Z likely to have?
a)
3+
b)
3-
c)
1+
d)
1-
15.
An atom has 2 electrons in its outer shell. It is most likely to…
a)
Gain 2 electrons to become a cation
b)
Lose 2 electrons to become a cation
c)
Gain 2 electrons to become an anion
d)
Lose 2 electrons to become an anion
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