Chem 4.4 Parts 2 & 3 Combined

What is the maximum number of electrons that can occupy a single orbital?

• 1

• 2

• 3

• 4

Which subshell is filled first according to the energy levels?

• 2p

• 1s

• 2s

• 3s

How many electrons does oxygen have, and how are they distributed in its electron configuration?

Need help? Click here: https://ptable.com/#Electrons/OxidationStates

Why do electrons in the same orbital have opposite spins?

• To increase energy

• To decrease stability

• To cancel out magnetic repulsion

• To increase repulsion

What is the electron configuration for an atom with 10 electrons?