Chap 5: Quantum Mechanical Model

Chap 5: Quantum Mechanical Model

Multiple Choice

What is orbital?

• 3D space around the nucleus where there is lowest probability to find electrons

• 3D space around the nucleus where there is highest probability to find protons

• 3D space around the nucleus where there is highest probability to find electrons

• 3D space around the nucleus where there is no probability to find electrons

Multiple Select

What is the four quantum number? (tick all that apply)

• n

• l

• m

• q

• s

Multiple Select

Principal quantum number refers to? (tick 4 boxes that apply)

• shell

• n

• energy level

• orbit

• orbital

Multiple Choice

l refers to?

• orbit

• shape

• valence

• electrons

Multiple Choice

When n=3, what is the max no of l?

• 0

• 1

• 2

• 3

Multiple Choice

The value of m depends on value of?

• s

• n

• r

• l

Multiple Choice

When l=1, what is the m value?

• -1, 0, +1

• 0

• -1, -2, -3

• +1, +2, +3

Multiple Select

What is the possible value of s?

• -1/2

• +1

• +1/2

• -2

Shape of Orbitals

For the next topics, read it first

and

OBSERVE the shape of the orbitals

Multiple Choice

The shape s refer to l value of?

• 0

• 1

• 2

• 3

Multiple Choice

The shape p refers to l value of?

• 0

• 1

• 2

• 3

Multiple Choice

When l=2 the shape is d, how many orientation are available?

• 1

• 2

• 3

• 4

• 5