Modern Atomic Theory Flashcards

0
Q

Non ionizing radiation

A

Can’t break bonds

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1
Q

Ionizing radiation

A

Can break bonds

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2
Q

C

A

Speed of light.

3.00•10^8

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3
Q

Crest

A

Positive displacement

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4
Q

Trough

A

Negative displacement

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5
Q

Amplitude

A

Height of crest or depth of trough

How much energy a wave is transporting

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6
Q

Wavelength

A

Lambda (backwards s with tail)

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7
Q

Frequency

A

number of crests that pass by in one second

Nu (fancy v)

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8
Q

Mac Planck

A

Energy occurs in small packets called quantum

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9
Q

Planck’s constant

A

6.53•10^-34

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10
Q

Photoelectric effect

A

Light at the right frequency hits metal and strips electrons from the metal - creates current

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11
Q

Albert Einstein

A

Applied Planck’s idea and explained photoelectric effect

Called a packet of light energy a photon

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12
Q

Bright line spectrum

A

Only gives off certain frequencies of light

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13
Q

Continuous spectrum

A

Has all the colors/ light frequencies

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14
Q

Ground state

A

Lowest natural energy state

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15
Q

Dipole moment

A

Property if a molecule where he presence of polar bonds generates a center of positive charge and a center of negative charge that are separated within an molecule

16
Q

Bond formation

A

Exothermic

17
Q

Bond cleavage

A

Endothermic