Understanding Quantum Numbers for Carbon Atom

What is the electronic configuration of a carbon atom?

• 1s2 2p4 2s2

• 1s2 2p2 2s2

• 1s2 2s2 2p4

• 1s2 2s2 2p2

Which quantum number represents the energy level of an electron in an atom?

• l

• ml

• n

• ms

For the 1s orbital, what is the value of the azimuthal quantum number (l)?

• 1

• 0

• -1

• 2

In the 2s orbital, what are the possible values for the spin quantum number (ms)?

• +1 and -1

• +1/2 and -1/2

• -1/2 and 0

• 0 and +1

How are the electrons distributed in the 2p orbitals of carbon?

• One electron in each orbital with opposite spins

• Two electrons in one orbital and none in the others

• All electrons in one orbital

• One electron in each orbital with the same spin