Question & Answer: Choose the element with the more negative (more exothermic) electron affinity from each of…..

xy a oegg Study I Guided Solutio eringChemlstry ure https://www.chegg.com/study?hwh_cr-1 MasteringChemistry: CH 08 HW 슬 Secure I https://session.masteringchemistry.com/myct/itemview?assignmentProblemlD-881692 73&offset CH 08 HW Exercise 8.80 Exercise 8.80 Part A Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs. Na or P O Na O P Submit My Answers Give Up Part B H or Na O H ○Na Submit My Answers Give Up Part C Si or P ○Si O P Submit My Answers Give Up Part D

Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs. Na or P Na P H or Na H Na Si or P Si P

Expert Answer

Answer

Part A: Na and P are in same period (3 rd ). As we move from left to right, electron affinity increases.

As Na is in left with respect to P, the electron affinity of Na is less than P.

So, Na has more negative electron affinity.

Part B:

Na has higher electron affinity than H.

So, Na has more negative electron affinity.

Part C: P has more negative electron affinity.

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