Class Notes: Structure of Atoms

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					                    Class Notes: Structure of Atoms

Read pages 92-98 in Matter: Building Blocks of the Universe
Write definitions for each of the following as you read:

Subatomic particles:



Nucleus:




Proton:




Neutron:



Atomic Mass Unit (amu):




Atomic Number:




Isotope:




Mass Number:
Atomic Mass:



Electrons:




Quark:




Draw a picture of an atom. Label the nucleus, protons, neutrons, and
electrons. It should be drawn to scale.




Answer the following questions:
Protons have which type of charge?

Electrons have which type of charge?

Neutrons have which type of charge?

Which is smallest: protons, neutrons, or electrons?

What determines which element an atom is?


What is the center of the atom called?

Which subatomic particles are in the nucleus?

				
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