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Worksheetsatom
Total questions: 20
Worksheet time: 14mins
What is the atomic number of chlorine?
35
18
7
17
How many protons are there in an atom of aluminium?
27
13
14
17
What is the symbol of manganese?
Mg
M
Ma
Mn
99.9% of the atom's mass is found where?
nucleus
protons
electron cloud
neutrons
Protons are
negative
positive
neutral
Thompson was the first to discover a subatomic particle - the electron. What are the others?
neutrons & positrons
protons & neutrons
positrons & quarks
protons & positrons
Rutherford concluded that the amount of positive charge varies
with the amount of electrons in the nucleus.
as the the amount of isotopes varies.
with the amount of neutrons in the nucleus.
with different elements.
The word "proton" comes from an ancient Greek word meaning
amber.
to change or become flexible.
proteus.
positive.
Electrons are subatomic particles that exist
inside the nucleus.
in simultaneous dimensions.
in parallel universes.
outside the nucleus.
Neutrons have almost exactly the same mass as
electrons.
positrons.
protons.
quarks.
James Dalton proved that the true nature of the atom could best be described as resembling "plum pudding."
True
False
Only protons & neutrons can be distinguished by mass, charge and position in an atom.
True
False
