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The Atom

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by

Samuel J Cohen

on 11 October 2016

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Transcript of The Atom

THE ATOM
Neutron
Mass: 1.6755 x 10^-27 kg (~1 amu)
Charge: 0
Proton
Mass: 1.6726 x 10^-27 kg
Charge: +1
electron
mass: 9.109 x 10^-31 kg
charge: -1
Nucleus
quarks - smaller particles
up
down
strange
charm
top
bottom
Electron Clouds/Orbitals
The area around the nucleus of an atom
where its electrons are most likely found
Atomic Number = Protons
Symbol
Average Atomic Mass
How many neutrons does Na have?
What is this atom?
0.0000000000000000000000000000009109 Kg
Isotopes
Atoms of the same element that
have a different number of Neutrons
ION
A charged particle that either has more or less electrons than protons, but not the same number.
The Alkali Metals
The Alkaline
Earth Metals
Transition Metals
Halogens
Noble Gases
Mixed Groups
Inner Transition Metals
Lanthanides
Actinides
BOHR MODELS
2
8
18

AVERAGE atomic mass

Allotropes - different forms/shapes of the same element
Diatomic molecule- TWO atoms of the same element bonded
ROUNDED Atomic Mass # = Protons + Neutrons
Full transcript