Ground State vs Excited State Electron Configuration Challenge

What does the ground state of an electron configuration signify?

• Electrons are in the highest energy level possible.

• Electrons are in the lowest energy level possible.

• Electrons are randomly distributed.

• Electrons are in a mixed state.

In an excited state, what happens to the electrons?

• They disappear from the atom.

• They move to a lower energy level.

• They remain in the lowest energy levels.

• They are bumped up to a higher energy level.

Which orbital comes after 2p in terms of increasing energy levels?

• 4s

• 2s

• 1s

• 3s

How many electrons can the p sub-level hold?

• 14

• 10

• 6

• 2

In the configuration 1s2 2s2 2p6 3s2 3p4, why is it considered an excited state?

• Because 1s is not completely filled before moving to 2s.

• Because 3s is not completely filled before moving to 3p.

• Because 2p is not completely filled before moving to 3s.

• Because 3p is not completely filled before moving to 4s.

Which configuration represents a ground state?

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p5 3s1

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s1

What does the noble gas configuration [Ne] 3s1 3p6 indicate?

• All electrons are filled up to the orbital of helium.

• All electrons are filled up to the orbital of neon.

• All electrons are filled up to the orbital of krypton.

• All electrons are filled up to the orbital of argon.

How can you determine the neutral element from an electron configuration?

• By counting the number of protons.

• By counting the number of orbitals.

• By counting the number of electrons and matching the atomic number.

• By counting the number of neutrons.

What is the ground state electron configuration of sodium?

• 1s2 2s2 2p6 3p1

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p5 3s1

Which element corresponds to the electron configuration 1s2 2s2 2p6 3s2 3p6?

• Magnesium

• Neon

• Argon

• Sodium