Chapter 6 Electronic Structure Of Atoms

Question 1

Wavelength

Answer 1

Distance between corresponding points on adjacent waves

Question 2

Number of waves passing a given point per unit of time is

Answer 2

Frequency

Question 3

All electromagnetic radiation travels

Answer 3

At the speed of light

3 x 10^8 m/s

Question 4

C=

Answer 4

Wavelength x frequency

Question 5

Energy comes in packets called

Answer 5

Quanta

Question 6

Einstein concludes that energy is proportional to

Answer 6

Frequency

E=hv

Where H is planks constant. 6.626 E-34 J-s

Question 7

Visible region on spectrum

Answer 7

400nm-750nm

Question 8

Energy absorbed or emitted from electron promotion or demotion

Answer 8

E= -hcRh (1/n2 - 1/n1)

Rh is the Rydberg constant 1.097 E7

Question 9

Equation for wavelength, h, m, v

Answer 9

Wavelength=h/mv

Question 10

Quantum mechanics

Answer 10

Mathematical relationship between wave and particle nature of matter

Question 11

An orbital describes

Answer 11

A spatial distribution of electron density

Question 12

An orbital is described by a set of three

Answer 12

Quantum numbers

Question 13

Principal quantum number

Answer 13

n

Value of n is integers greater than or equal to 1

Question 14

Angular momentum Quantum Number

Answer 14

l

Defines the shape of the orbital

Values ranging from 0 to n-1

Question 15

l orbital number types

Answer 15

0-s
1-p
2-d
3-f

Question 16

Magnetic quantum number

Answer 16

m

-l to l

Question 17

Orbitals with the same value of n form a

Answer 17

She’ll

Question 18

Different orbital types within a shell

Answer 18

Sub shells

Question 19

Shape of s orbitals

Answer 19

Spherical

Question 20

Shape of p orbitals

Answer 20

Two lobes on x,y,and z axis

6

Question 21

D orbital shape

Answer 21

Four lobes on each axis with a ring

Question 22

Spin Quantum Number

Answer 22

Spin describes its magnetic field which affects its energy

Ms values are +1/2 or -1/2

Question 23

No two electrons can have the same

Answer 23

Set of Quantum numbers because no two electrons can have the same exact energy

Question 24

Hunds Rule

Answer 24

For degenerate orbitals, the lowest energy is attained when the number of electrons with the same spin is maximized

Question 25

Orbital filling exception

Answer 25

4s1 3d5 rather than 4s2 3d4