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ATOMS - Coggle Diagram
ATOMS
Subatomic Particles
Proton
- Positive electrical charge
Electron
- Negative electrical charge.
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Atomic Models
Thomson's Plum Pudding Model
- Cathode ray tube experiment.
- Discovery of Electrons.
- Atoms can still be divided.
Chadwick's Neutron Model
- Discovery of neutrons in Atoms.
- Neutron's mass is equal to proton's mass.
Dalton's Atomic Theory
- Billard Ball model of Atom.
- All elements are composed of Atoms.
Ions
- Molecules that gained or lost
one or more valence electrons.
Anion
- More electrons than protons
Cations
- More protons than electrons.
Influences
Boyles Law
- volume of gas decreases as pressure
increases and vice versa.
Proust's Law
Of Definite Proportion
- A compound always contains the
same elements in certain definite
proportions and in no other combinations.
Cocept
Aristotle
- Atom composed four
basic elements: Fire, Water, Air, and Earth
Leocippus and Democritus
- Concept of the Atomos.
- An indivisible block of matter.
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