Ch301 Unit 1 Test Ep9-11 Flashcards

(42 cards)

1
Q

Pauli Exclusion Principle

A

No 2 e- in an atom have the same 4 quantum numbers

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2
Q

Aufbau principle

A

Electrons fill from lowest E to highest E orbitals

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3
Q

Hunds Rule

A

Electrons fill degenerate orbitals singly before pairing up

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4
Q

Diamagnetic

A

An atom with all paired electrons

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5
Q

What type of element in the first group

A

Alkali metals

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6
Q

What type of metal is in the second group?

A

Alkali earth metal

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7
Q

What type of metal is found in d block?

A

Transition metals

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8
Q

What type of element is found in group 7

A

Halogens

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9
Q

What type of lament is found in group 8 of the periodic table

A

Noble gases

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10
Q

Radial distribution

A

The closer the negative electron is the positive nucleus, the stronger the electrostatic attraction, and the lower the E

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11
Q

Atoms achieve greater stability when

A

Their subshells are completely full or half full

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12
Q

Anytime you do econfig of ions in d orbital what needs to happen

A

You need to reorder the numbers in number order then remove e- from the right to the left

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13
Q

Do all e- in atom feel same strength of attraction to nucleus?

A

No the e- in a lower E level feel a stronger attraction to the nucleus

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14
Q

As you move across a row what happens to Zeff

A

Gets larger cuz more VE

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15
Q

How do they measure atomic radius

A

Distance between 2 nucleus when they next to each other because you can’t measure atomic cloud because it isn’t strictly defined

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16
Q

Atomic radius trends

A

Decreases L to R
Increases down

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17
Q

Positive ions are bigger or smaller than regular

18
Q

Negative ions are bigger or smaller than regular

19
Q

what is IE

A

The amount of E required to remove the first e- from a neutral atom in the gaseous state

20
Q

IE vs work function

A

IE is the removal of an electron from a single gas phase atom vs the electron from a single gas phase atom

21
Q

Equations for first IE

A

X(g) + e- -> O-(g)

22
Q

EA

A

The change in E when an e- is added to a gaseous atom to form an anion

23
Q

EA values are positive

A

Endothermic heat being added

24
Q

EA are negative

A

Exothermic
Heat being released

25
Why does EA increase
Because of increased nuclear attraction
26
What is the IE trend based off
Nuclear charge and fully filled/half filled subshells
27
What trend is EA based off
It has no consistent trend but when comparing two neighboring atoms you can look at half or fully filled subshells
28
What is n1 in the Rydberg equation
The one that the atom drops to, the lower n
29
What is ground energyelevel
N=1
30
What is n =1 in Rydberg equation
N=1 is the final level the e- is on
31
Why does high EA mean?
More negative
32
What does EA mean?
More electronegative, higher tendency to take electrons
33
What happens to the wavelength the larger the size of the item?
The smaller the wavelength
34
Stoich What’s conversion from grams to atoms with the molecule H2O
Grams to moles to molecules to atoms
35
Conversion from atoms to grams with molecule H2O Stoic
Grams to moles to molecules to atoms
36
What unit is avigadros number for?
Molecules
37
When doing stoich ions are the same as +
Molecules
38
Completely removing an electron from an atom entirely means?
Moving it to the infinity energy level
39
What is infinity squared!
0
40
What does ionizing mean
Completely removing an e-
41
When dealing with completely removing an e- or ionizing an e-(same thing) which number comes first in the rydberg formula for n1
The real number, then n2 = infinity
42
Balmer series
Portion of the emission spectrum of H that represents electron transitions from energy levels E>2 to n=2