Electronic Configuration

Are electrons particles or waves?

Electrons are both particles and wave

How many electrons can an individual orbital hold?

Up to two electrons.

What is the symbol for the principal quantum number?

n

What is the formula for n?

n= 1, 2, 3…

What does the principal quantum number, n, describe?

Distance from nucleus 

What is the symbol for the angular momentum quantum number?

l

What is the formula for l?

l = n-1

What does the angular momentum quantum number, l, describe?

The shape of the orbital

Describe which orbital each angular momentum quantum number corresponds to.

• l = 0, s orbital

• l = 1, p orbital

• l = 2, d orbital

• l= 3, f orbital

How many s orbitals per energy level?

1

How many p orbitals per energy level?

3

How many d orbitals per energy level?

5

How many f orbitals per energy level?

7

Which symbol is given for the magnetic quantum number?

M|

What does m| describe?

A specific orbital amongst a set

What is the symbol for the spin quantum number?

m_s

What is the formula for the spin quantum n number, m_s?

m_s = +1/2 or -1/2