Atom Flashcards

1
Q

Wavelength

A

Shortest distance between equivalent points on a continuous wave.

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2
Q

Frequency

A

Number of waves that pass a given point per second

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3
Q

Amplitude

A

Height from rest position to crest or trough

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4
Q

Speed

A

Wavelength X Frequency

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5
Q

Speed of Light

A

3.00 X 10^8 m/s

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6
Q

Electromagnetic Spectrum

A

Forms of energy that exhibit wave-like behavior

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7
Q

Electromagnetic Spectrum Order

A

Radio, Micro, Infrared, Visible, Ultraviolet, X-Rays, Gamma Rays

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8
Q

1st to theorize the atom

A

Democritus

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9
Q

Gold Foil Experiment

A

Rutherford

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10
Q

Cathode Ray Tube Experiment

A

Thomson

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11
Q

Discovered the Electron

A

Thomson

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12
Q

Discovered the Nucleus

A

Rutherford

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13
Q

Discovered atom is mostly empty space

A

Rutherford

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14
Q

1st Atomic Model

A

BB Model (Looks like a BB bullet)

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15
Q

2nd Atomic Model

A

Plum Pudding Model (Looks like a chocolate chip cookie with the chips being electrons and the rest of the cookie being positive mass)

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16
Q

3rd Atomic Model

A

Rutherford Model (Blob of protons surrounded by a circle of electrons)

17
Q

4th Atomic Model

A

Bohr Model (Protons and neutrons in middle surrounded by two layers of e-)

18
Q

5th Atomic Model

A

Quantum Mechanics Model (Weird oval shapes one)

19
Q

Discovered the neutron

A

James Chadwick

20
Q

Discovered that electrons move in random orbital regions, also known as electron cloud

A

Erwin Schrodinger

21
Q

Discovered Atomic Theory

A

Dalton

22
Q

As Frequency and Energy increase…

A

Wavelength decreases

23
Q

Long wavelength=

A

Low energy and low frequence

24
Q

Shorter wavelength=

A

Higher energy and higher frequence

25
Q

Closer to the left of the electromagnetic spectrum means

A

Higher in wavelength and lower in energy/frequency