Lecture 14

Question 1

what rate do electromagnetic waves propagate through vacuum at

Answer 1

3.00x10^8 m/s (speed of light)

Question 2

what is the distance from the top of one wave to the top of the next wave

Answer 2

wavelength

Question 3

what is the number of wavelengths that pass a theoretical point in one second

Answer 3

frequency of the radiation

Question 4

what does v(Greek letter nu) indicate

Answer 4

frequency

Question 5

what does λ(lambda) indicate

Answer 5

wavelength

Question 6

what does c stand for

Answer 6

the constant for the speed of light (3.00 x10^8)

Question 7

what is the equation for the speed of light

Answer 7

c=vλ

Question 8

radiation that is given off by heated objects

Answer 8

blackbody radiation

Question 9

what is the constant h called and have a value of

Answer 9

Planck’s constant 6.63x10^-34 J

Question 10

equation for the energy emitted by a blackbody

Answer 10

E=nhv

Question 11

what is RH and what is its value

Answer 11

Rydberg’s constant and value of -2.18x10^-18J

Question 12

when the electron is in a _____ _____ it is said to be in an excited state

Answer 12

higher orbit

Question 13

how many orbitals are there

Answer 13

four

Question 14

what are the four orbitals

Answer 14

n,l,ml,ms

Question 15

what is the format of the n orbital(principal quantum #)

Answer 15

it is the size of the orbital

n=1,2,3…

Question 16

what is the format of l(azimuthal)

Answer 16

values from 0 to n-1

cannot be negative

Question 17

what is the mnemonic to remember the shape of the orbitals

Answer 17

sticky paint dries fast

Question 18

what is the format of ml(magnetic quantum)

Answer 18

-l…0…+l

Question 19

what is the format of ms(electronic spin quantum #)

Answer 19

+1/2,-1/2

Question 20

what is the Pauli exclusion principle

Answer 20

no two electrons in an atom can have the exact same set of four quantum numbers

Question 21

what is the value of the s subshell

Answer 21

l=0

Question 22

what is the value of the p subshell

Answer 22

l=1

Question 23

what is the value of the d subshell

Answer 23

l=2

Question 24

what is the value of the f subshell

Answer 24

l=3

Question 25

how do the electrons fill

Answer 25

from the lowest energy to highest energy