Atomic Models Flashcards

(5 cards)

1
Q

What are the main points of Dalton’s Atomic Theory?

A

All matter is made of atoms, atones of the same element are identical, compounds are combinations of different atoms, reactions rearrange atoms

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2
Q

What was Thomson’s contribution to atomic theory?

A

Discovered the electron, proposed the “plum pudding model” where electrons are embedded in a positively charged sphere

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3
Q

What did Rutherford’s gold foil experiment reveal?

A

Atoms have a dense, positively charged nucleus and are mostly empty space

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4
Q

Describe Bohr’s atomic model

A

Electrons orbit in fixed shells; can jump levels by absorbing or releasing energy

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5
Q

What is the Quantum Mechanical Model of the atom?

A

Electrons exist in orbitals; described by probability clouds based on on Shrodinger’s equation

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