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WorksheetsAtomic Theory
Total questions: 6
Worksheet time: 30mins
Name
Class
Date
1.
The smallest unit of a pure substance that has the properties of that substance
a)
element
b)
atom
c)
neutron
d)
compound
2.
Atoms are made up of three basic parts, which are -
a)
Protons, neutrons, electrons
b)
neutrinos, protons, neutrons
c)
quarks, protons, electrons
d)
electrons, neutrons, and quarks
3.
The nucleus is made up of -
a)
neutrons and electrons
b)
protons and neutrons
c)
protons and electrons
d)
electrons and quarks
4.
Protons have this charge -
a)
positive
b)
negative
c)
neutral
d)
no charge
5.
Electrons have this charge -
a)
positive
b)
negative
c)
neutral
d)
no charge
6.
Neutrons have this charge -
a)
positive
b)
negative
c)
neutral
d)
They don't exist
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