Atom

Question 1

Coulomb Force is balanced by the centripetal force

Answer 1

Question 2

The angular momentum of the electron in an allowed orbit is quantized

Answer 2

Question 3

Transition of an electron between energy levels is accompanied by emission or absorption of a photon with energy equal to lost or gained orbital energy

Answer 3

Question 4

Absorption Energy Level

Answer 4

Question 5

Emission Energy Level

Answer 5

Question 6

Radius of the Bohr atom (long)

Answer 6

Question 7

Radius of the Bohr atom (short)

Answer 7

Question 8

Plancks Constant (Js)

Answer 8

Question 9

mass of an electron (kg)

Answer 9

Question 10

charge of an electron (C)

Answer 10

Question 11

Velocity of the Bohr Electron (long)

Answer 11

Question 12

Velocity of the Bohr Electron (short)

Answer 12

Question 13

Total Energy of the Electron (Bohr Model)

Answer 13

Question 14

Electron Volt to Joules

Answer 14

Question 15

If the total energy of an electron is negative

Answer 15

it is “bounded”

Question 16

Ionization Energy

Answer 16

The energy needed to remove the electron completely from the atom. (Energy must be greater than or equal to zero.)

Question 17

Rydberg constant (1/m)

Answer 17

Question 18

Line Spectrum of an atom

Answer 18

Question 19

Lyman Series

Answer 19

Question 20

Balmer Series

Answer 20

Question 21

Paschen Series

Answer 21

Question 22

Brackett Series

Answer 22

Question 23

Emission Lines

Answer 23

The spectral lines that are produced when electrons transit from higher energy levels to lower energy levels

Question 24

Absorption Lines

Answer 24

The spectral lines that are produced when the electron transit from the lower energy levels to the higher levels by absorbing energy

Question 25

Total angular momentum of system of nucleus and electron

Answer 25

Question 26

De Broglie and Bohr Angular Momentum

Answer 26

Question 27

Reduced Mass of the system

Answer 27

Question 28

One Electron Bohr Theory

Answer 28

Question 29

Multi Electron Hartree Approximation

Answer 29

Question 30

K shell Z eff

Answer 30

Question 31

n

Answer 31

Question 32

l

Answer 32

Question 33

Zeeman Effect

Answer 33

the externally applied magnetic field can split the energy levels of the atom

Question 34

Spin Quantum number

Answer 34

Question 35

Quantum numbers for Hydrogen atom

Answer 35

Question 36

Electron Shells

Answer 36

K=1

L=2

M=3

N=4

Question 37

l subshels

Answer 37

Question 38

Energy Level Hierarchy

Answer 38

Question 39

The Pauli Exclusion Principle

Answer 39

No two electrons in an atom can have the same set of quantum numbers (n,l,ml,ms)

Question 40

Characteristic x-rays

Answer 40

Question 41

Absorbption Edges

Answer 41

Question 42

mass absorption coefficient

Answer 42

Question 43

Total Energy in a molecule

Answer 43