Which of the Following Statements Concerning Ground State Electron Configurations

question 63

Multiple Choice

Which of the following statements concerning ground state electron configurations is/are CORRECT?
1) For a hydrogen atom with one electron,the 2s and 2p orbitals have identical energies.
2) For a lithium atom with three electrons,the 2s and 2p orbitals have different energies.
3) The effective nuclear charge felt by an electron in a 2p orbital is greater for a carbon atom than for a boron atom.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 2 and 3
• E) 1,2,and 3

---

Definitions:

Middle Adulthood

A stage in adult development, generally considered to span from ages 40 to 65, characterized by stability, maturity, and increased responsibility.

Crisis

A time of intense difficulty, trouble, or danger, which requires a decision that will be critical for the outcome.

Turning Point

A critical moment or event that leads to a significant change in the course or direction of something.

Prime of Life

A period in adult life when a person is at their peak of physical health, mental stability, and often career achievement, typically seen in mid-adulthood.