Electromagnetic Radiation Flashcards

1
Q

v =

A

Frequency

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2
Q

What is Planck’s constant?

A

6.626 * 10^-34

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3
Q

What does the Quantum Theory state?

A

Photons above the threshold energy will knock out electrons

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4
Q

What is the equation of KE electron?

A

KE = Ephoton - work

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5
Q

Absorption is the act of going from

A

Lower to higher E

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6
Q

Emission is the act of going from

A

Higher to lower E

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7
Q

What is the Lyman series?

A

n = 1

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8
Q

What is the Balmer series?

A

n = 2

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9
Q

What is the force between the nucleus and electrons?

A

Coloumbic F

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10
Q

The closer an electron is to the nucleus, the

A

Lower the energy is

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11
Q

Within the Hydrogen atom, what is the Energy of an electron in a shell?

A

-2.18*10^-18 / n^2

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12
Q

What is the equation for change of energy of an electron?

A

-2.18*10^-19 (1/nf^2 - 1/ni^2)

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13
Q

n is the principle quantum number that ranges from

A

1 to infinity

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14
Q

l is the azimuthal number which ranges from

A

0 to n-1

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15
Q

l is the number that describes the

A

Type of subshell

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16
Q

ml is the magnetic # that describes the

A

Type oforbital

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17
Q

ml is the number that ranges from

A

l>x>-l

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18
Q

ms is the

A

Spin number

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19
Q

What orbital is l=0?

20
Q

What orbital is l=1?

21
Q

What orbital is l=2?

22
Q

What orbital is l=3?

23
Q

Aufbau states that

A

Orbitals start filling from lowest energy

24
Q

Hunds states that

A

All degenerates get the same electron before pairing

25
Pauli states that
No two electrons can have the same numbers
26
Electrons should be removed from the
Higher numbers first
27
What elements are exceptions to the element rule?
- Cu - Cr - Ag - Au - Mo
28
The number of orbitals in a given shell is declared by the equation
n^2
29
The max number of electrons in a given shell is declared by the equation
2n^2
30
The first ionization energy + electronegativity increases by
Going up + going to the right
31
Electron affinity increases towards
The halogens
32
What kind of bonds do larger atoms have?
Longer bonds
33
Bonds get weaker with
Length
34
What typically happens to metals in reactions?
They lose electrons + become cations
35
What typically happens to nonmetals in reactions?
They gain electrons + become anions
36
It is harder to remove an electron when
- Higher Zeff | - Smaller nucleus
37
What is significant about half-filled shells?
They do not want to lose or gain electrons
38
What are the half-filled shells?
- N-column | - Be-column
39
Which group has the lowest ionization energies?
Group 1 metals
40
Non-metal oxides are
Acidic
41
Metal oxides are
Basic
42
Metallic bonds are found in a
Sea of loosely held electrons
43
Lattice energy is associated with
Ionic compounds
44
What is Lattice Energy?
The amount of energy needed to break a solid ionic compound
45
Lattice energy can be affected by
Charge or size
46
Higher charges have what kind of lattice energy?
Higher
47
Smaller ions have what kind of lattice energy?
Higher