unit 3.2

Question 1

quantum numbers:

Answer 1

specific properties of atomic orbitals and the properties of electrons in orbitals

Question 2

principal Q.N. (n)

Answer 2

-the main energy level occupied by electrons

-n = 1-5

Question 3

angular Q.N. (l)

Answer 3

-the shape of the orbital

-assigns sub levels (s,p,d,f)
0=s 1=p 2=d 3=f
-equation: n-1

Question 4

magnetic Q.N. (m)

Answer 4

-orientation of an orbital around the nucleus

-m= 0, +l, -l

Question 5

spin Q.N. (+1/2, -1/2)

Answer 5

-two fundamental spin states of an electron in an orbital

-orbitals can hold two electrons

-2 electrons must have opposite spins

Question 6

What quantum number determines the shape of an orbital?

Answer 6

angular momentum

Question 7

Which quantum number determines the energy level occupied by an electron?

Answer 7

principal

Question 8

equation for orbitals

Answer 8

n^2 (n squared)

Question 9

how to find number of electrons in an energy level (equation)

Answer 9

2 x n^2

Question 10

what are the magnetic quantum numbers in the s sub level?

Answer 10

0

Question 11

what are the magnetic quantum numbers in the p sub level?

Answer 11

0, -1, +1

Question 12

what are the magnetic quantum numbers in the d sub level?

Answer 12

0, -1, +1, -2, +2

Question 13

what are the magnetic quantum numbers in the f sub level?

Answer 13

0,-1, +1, -2, +2, -3, +3

Question 14

what are the magnetic quantum numbers in the g sub level?

Answer 14

0, -1, +1, -2, +2, -3, +3, -4, +4

Question 15

what is “m”

Answer 15

magnetic q.n.

Question 16

what is “l”

Answer 16

angular momentum q.n.

Question 17

what is “n”

Answer 17

principal q.n.