Chapter 3 Flashcards

1
Q

What is the equation for the ozone formation?

A

Energy + 3 O2 = 2 O3

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2
Q

What must be absorbed for Energy + 3 O2 = 2 O3 reaction to occur?

A

Energy because it has to be endothermic

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3
Q

What is an allotropic?

A

2 or more forms of the same element that differs in chemical structure and therefore their properties

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4
Q

Ozone is what form of oxygen?

A

Allotropic

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5
Q

Where is the troposphere?

A

Where we live

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6
Q

What is the stratosphere?

A

The Ozone layer

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7
Q

Where is atmospheric pressure highest?

A

Closer to the sea level

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8
Q

How does ozone increase?

A

From pollution

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9
Q

What are valence electrons?

A

The electrons in the outermost energy levels

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10
Q

What are valence electrons responsible for

A

Responsible for chemical bond formations

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11
Q

What tells you the number of valence electrons on the periodic table?

A

The group number

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12
Q

How many groups are there on the periodic table?

A

8 groups (1-8)

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13
Q

Who developed a method of visual representation for the valence electrons?

A

G.N. Lewis

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14
Q

What represents the valence electrons?

A

Dots around the symbol of an atom

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15
Q

Whats the octet rule?

A

In chemical reactions, atoms tend to gain, lose or share electrons so to have 8 valence electrons

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16
Q

What are the 2 elements that only have 1 element to add

A

Hydrogen and helium

17
Q

What is the flame test?

A

different elements give different colors to a flame

18
Q

What is a wavelength (l)?

A

The distance traveled between successive peaks

19
Q

What is the frequency (n)?

A

Number of waves passing a fixed point in one second

20
Q

When theres longer wavelength whats the frequency?

A

Lower frequency

21
Q

What happens to an ultraviolet light when it touches a molecule?

A

It causes it to break

22
Q

What happens to an infrared light when it touches a molecule?

A

It causes it to vibrate

23
Q

What happens to an microwave light when it touches a molecule?

A

It causes it to rotate

24
Q

What are the consequences of UV radiation

A

energy associated to radiation, length of time of exposure, and the sensitivity of the organism to that radiation

25
Q

What is the Chapman cycle?

A

A steady state condition