Chemistry - Unit 2 Test

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19 Terms

1

As energy increases the wavelength becomes ________________

shorter

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2

Less energy = _________ wavelength

longer

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3

Low Frequency = _____ energy

Low

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4

Red =

  • Long wavelength

  • Low Energy

  • Low Frequency

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5

Purple/Violet

  • Shorter Wavelength

  • High Frequency

  • High Energy

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6

Coulubmic Attraction

the attraction between oppositely charged particles —> attraction between nucleus and election

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7

Coulubmic Attraction: smaller atom means

nucleus has more charge, meaning the electrons will be pulled in more:

  • More Coulubmic attraction

  • Distance from rings to the nucleus will be less

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8

Any with more ______ has a stronger attractive force

protons

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9

ionization energy:

energy it takes to remove an electron (most loosely held one)

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10

ionization energy: larger the radius=

easier to remove the electron

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11

electronegativity

the measure of the ability of an atom’s nucleus to attract electrons from a different atom covalent bond.

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12

What trend is this?

ionization Energy/ElectroNegativity

<p>ionization Energy/ElectroNegativity</p>
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13

What trend is this?

Atomic Radius

<p>Atomic Radius </p>
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14

What trend is this?

Columbic Attraction

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15

the color of emitted light is depended on the _______ of the light

wavelength

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16

how do electrons become excited

they absorb energy

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17

when arrows go up the energy of the electrons get ______

absorbed

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18

when arrows go down the energy of the electrons gets ______

emitted into light

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19
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