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Science.3.5 Atomic Structure
Atomic structure and periodic table
11
Science
8th Grade
12/14/2012

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Term
What are the three subatomic particles?
Definition
Protons, Neutrons and Electrons
Term
What charge does a proton have?
Definition
Positive
Term
What charge does an electron have?
Definition
Negative
Term
What charge does a neutron have?
Definition
No charge - Neutral
Term
Where is the positively charged subatomic particle in an atom found?
Definition
In the nucleus of the atom
Term
True or False:
Protons and Neutrons have almost have all the mass. The electrons are so small they have very little mass.
Definition
TRUE
Term
The drawing of an atom shows approximately where the electrons are located within _____________________ levels.
Definition
energy
Term
An electron gains energy when it moves to a ________________________ energy level.
Definition
higher
Term
What subatomic particle determines what the atom is?
Definition
the number of protons
Term
What takes up most of the SPACE of the atom?
Definition
the electron cloud
Term
What takes up very little SPACE of the atom?
Definition
the nucleus
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