Which Two Electron Configurations Represent Elements That Would Have Similar

question 40

Multiple Choice

Which two electron configurations represent elements that would have similar chemical properties? (1) 1s²2s²2p⁴, (2) 1s²2s²2p⁵, (3) [Ar]4s²3d¹⁰4p³, (4) [Ar]4s²3d¹⁰4p⁴

• A) (1) and (2)
• B) (1) and (3)
• C) (1) and (4)
• D) (2) and (4)
• E) (2) and (3)