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Science - The Atom
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What is an atom?
The smallest part of an element which still has the properties of that element.
What is the name given to the smaller particles in which atoms are made up of?
Sub-atomic particles.
What are the names of the three sub-atomic particles in an atom?
Protons
Neutrons
Electrons
What is the mass of a proton?
1 unit
What is the charge of a proton?
Positive charge (+1)
Where is the location of a proton?
In the nucleus.
What is the mass of a neutron?
1 unit.
What is the charge of a neutron?
None
Where is the location of a neutron?
In the nucleus.
What is the mass of an electron?
Negligible.
What is the charge of an electron?
Negative charge (-1)
Where is the location of an electron?
Orbiting the nucleus.
What is the atomic number of an element?
The number of protons in an atom of that element.
What is the mass number of an element?
The total number of protons and neutrons in an atom of that element.
Author
aoifeparker
ID
179044
Card Set
Science - The Atom
Description
Ch21 pg178-pg183
Updated
2012-10-22T19:04:10Z
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