Atomic Structure Flashcards

1
Q

e/m of electron

A

1.758 x 10^11 C/kg
1.758 x 10^8 C/g

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2
Q

1 mole of electrons = ______C

A

96500 C = 1 Farad

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3
Q

Mass of electron

A

9.11 x 10^-31 kg
9.11 x 10^-28 g

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4
Q

Mass of electron in amu

A

0.00016 amu

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5
Q

1 mol of e- weight

A

0.00056g

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6
Q

Proton is how much heavier than electron

A

1840x heavier

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7
Q

e/m anodic is proprotional to

A

1/m

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8
Q

Anodic rays are kept in _________ pressure

A

0.01 torr

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9
Q

Positive rays give flash on

A

ZnS

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10
Q

e/m of anodic rays

A

9.54 x 10^7 C/kg

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11
Q

Mass of protons

A

1.67 x 10^-27 kg
1.67 x 10^-24 g

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12
Q

Angular momentum of Bohr’s atomic model

A

nh/2π

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13
Q

Rydberg’s constant

A

1.097 x 10^7 m-1

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14
Q

aº constant =

A

0.529 Aº

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15
Q

aº in terms of protons

A

n² / z

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16
Q

Ionization energy constant (and formula)

A

2.18 x 10^-18 J/atom
(z² e^4 m / 8∂² h² n²)

17
Q

1 mol of H atom energy

A

1312.31 kJmol-1

18
Q

Differences in energy gets ________ as the distance/shells increase

19
Q

Ryderberg constant FORMULA

A

1/wavelength = (z² e^4 m / 8∂² h^3 C) (1/n1² - 1/n2²)

20
Q

H spectrum series order

21
Q

H spectrum light types

A

L (Lyman) = UV
B (Balmer) = UV / Visible
P (Paschen) = Infrared
B (Brackt) = Infrared
Pf (Pfund) = Infrared

22
Q

Which is the most energetic on the H spectrum series

23
Q

Stuff to find from Principle Quantum number (n)

A

n = number of standing waves
n² = number of orbitals
2n² = no of e- distributed in shell

24
Q

Things to find from Azimuthal Quantum Number (l)

A

4l + 2 = no of columns in periodic table
n-l-1 = radial node

25
S P D F stands for
S = Sharpe P = Principle D = Defused F = Fundamental
26
Magnetic Quantum numbers for S P D F
S = 0 P = -1 (Py), 0 (Pz), +1 (Px) D = -2 (Dxy), -1 (Dyz), 0 (Dz²), +1 (Dxz), +2 (Dx² - y²) F = -3, -2, -1, 0, +1, +2, +3
27
Paul’s exclusion law
Spin must be different (opposite spins) (OPP)
28
Hund’s Rule
If more orbitals are available then arrange e- on separate orbitals with same spin (Like if you have two hands open then hold some of the stuff in your other hand)
29
Auf Bau Law
Fill all subenergy levels with low “n+l” values (ABC of levels)