Quantum Chemistry and Electron Configurations

No two electrons can have the same four quantum numbers.

• TRUE

• FALSE

The quantum number (n) is the ...

• principal quantum number

• angular momentum quantum number

• magnetic quantum number

• spin quantum number

Which values can (n) be?

• only 0

• 0, 1, 2, 3...

• 1,2,3,4...

• -2 < n < +2

What is the principal quantum number refer to?

• the main energy level

• the shape of the orbital

• the orientation of the orbital

• the spin of the electrons

What is the angular momentum quantum number refer to?

• the main energy level

• the shape of the orbital

• the orientation of the orbital

• the spin of the electrons

What is the magnetic quantum number refer to?

• the main energy level

• the shape of the orbital

• the orientation of the orbital

• the spin of the electrons

What is the spin quantum number refer to?

• the main energy level

• the shape of the orbital

• the orientation of the orbital

• the spin of the electrons

What does the letter (l) stand for?

• principal quantum number

• angular momentum quantum number

• magnetic quantum number

• spin quantum number

When l=0, we call it the ___ orbital. When l=1, it is the ___ orbital. When l = 2, it is the ___ orbital and when l = 3, it is the ___ orbital.

• s, p, d, f

• a, b, c, d

• l, m ,n, o

• w, x, y, z

What shape is the s orbital?

• sphere

• dumbbell

• double dumbbell

• very complex shape