Electromagnetic Energy and Electron Energy Levels ch 2 Flashcards

1
Q

The electrons in atoms obtain energy from being
_______ and release energy as
at different _________ which give rise to different
colors.

A

1-heated
2-wavelengths

wavelength : the distance between identical points

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2
Q

The colors that we can see are only part of the
___________

A

electromagnetic spectrum

aa lik tro mag na tik/ spak trim

electro mag netic spectrum

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3
Q

The visible light spectrum

A

is the segment of the electromagnetic spectrum that the human eye can view

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4
Q

Photon with large wavelength are_____energy
photon with small wavelength are ________energy

A

1-lower
2-higher

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5
Q

wavelength is referred to as __________

A

electromagnetic spectrum

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6
Q

photon

foh tan

photon

A

is particle of light

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7
Q

Light energy moves in an ________ pattern and we
commonly represent it in the form of waves.

A

oscillating=تذبذب

ass ill ateing

osc ill ating

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8
Q

light does not ________energy

A

give off

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9
Q

parts of wave :

A

1-frequency
2-amplitude
3-wavelength

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10
Q

frequency

A

the number of waves peak in period of time
unit would be Hz or s-1

Hir tiz

Hz

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11
Q

Amplitude

aam plit ood=السعه

Amp li tude

A

the height of repreasentive wave from the baseline

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12
Q

wavelength

A

the distance from one peak to the next wave

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13
Q

what is the relationship between wavelength and frequency :

A

Wavelength x Frequency = Speed of light (in a vacuum)

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14
Q

blue light such as sunlight

A

higher energy and frequency
and has short wavelengths.

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15
Q

Red light

A

lower energy
low frequency
higher wavelength

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16
Q

__________ give us a better understanding of emission
wavelengths from materials and used
to help identify metals in particular and through prism we can see rainbow

E mish N / priz M

emission=انبعاث / prism=نشور زجاجي

A

Line spectra

such as rainbpw

Line spaktra

Line spectra

17
Q

The energy of a photon is related to the wavelength and
frequency from ________

A

Planck’s postulate

plainx past chill it

planck’s post u late

18
Q

400,500,600,700 represent which color :

A

400=blue
500=green
700=red
600=orange

19
Q
A