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Chem > Atomic Models > Flashcards

Atomic Models Flashcards

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1
Q

Cloud or probability orbit of electrons

A

Schrodinger

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2
Q

Atoms have no internal structure

A

Democritus and Dalton

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3
Q

Elements are characterized by the weight of their atoms

A

Dalton

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4
Q

Discovered the electron

A

Thomson

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5
Q

Electrons are negatively charged particles suspended in the “fluid”

A

Thomson

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6
Q

Electrons exist in discrete energy levels

A

Bohr

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7
Q

Electrons can move between the energy levels by gaining or releasing energy

A

Bohr

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8
Q

The atom is mostly empty space

A

Rutherford

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9
Q

Atoms are completely solid

A

Democritus and Dalton

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10
Q

When elements react, it is their atoms that have combined to form new compounds.

A

Dalton

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11
Q

Each atom is a sphere filled with positively charged “fluid”

A

Thomson

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12
Q

Performed the Gold Foil Experiment

A

Rutherford

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13
Q

Atoms are indestructible and unchangeable

A

Democritus and Dalton

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14
Q

Planetary model of the atom

A

Bohr

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15
Q

Electrons fill the lowest energy level first

A

Bohr

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16
Q

Created the Plum Pudding Model of the atom

A

Thomson

17
Q

All matter consists of tiny particles called atoms

A

Democritus and Dalton

18
Q

S (sharp) P (principle) D (diffuse) F (fundamental)

A

Schrodinger

19
Q

Electrons do not move in this model

A

Thomson

20
Q

Each atom (of a different substance) is different in size, weight, and shape.

A

Democritus and Dalton

21
Q

The atom has a dense positively charged core called the nucleus.

A

Rutherford

22
Q

You take a piece of matter and divide it and continue to divide it you will eventually come to a point where you could not divide it anymore - atomos “indivisible”.

A

Democritus

23
Q

The electron does not travel in an exact orbit

A

Schrodinger

Chem (3 decks)

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