The Atom ( Atomic Structure & the Periodic Table )

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17 Terms

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An ATOM
An atom is the basic unit of matter, consisting of a nucleus (protons and neutrons) surrounded by electrons. Atoms combine to form molecules and are the building blocks of elements. Neutral atoms have an equal number of protons and electrons. They are very tiny
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The 3 main subatomic particles
Protons, Neutrons, Electrons
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Subatomic Definiton
Smaller than an atom
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Proton’s Charge
Postitive +
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Neutron’s Charge
No charge ( 0 )
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Electron’s Charge
Negative -
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Proton Mass
1 amu
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Neutron Mass
1 amu
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Electron Mass
0 amu
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Protons Location
Nucleus
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Neutrons Location
Nucleus
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Electrons Location
Orbiting
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Where do Electrons live?
Electron Cloud
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Atomic # = ?
Protons
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How to find the Atomic Mass?
P+N ( Protons + Neutrons )
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How do you find the charge of an atom?
P=E ( Proton = Electron )
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AMU stands for?
Atomic Mass Unit