Question

Question 15 Which element has the highest electron affinity? Fr Na OC Li
D Question 19 100% 2 pts Su Home My CzHg + 302 - 3CO2 + 4H2 How many moles of oxygen are necessary to react completely with 4
Question 22 Which of the following atoms is the largest? O Rb O Cs Na Question 23
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Answer #1

Electron affinity increases from left to right in a row, generally s < d < p

Answer: C

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1 mol propane requires 3 mol O2, so 4 mol propane requires = 4 x 3 = 12 mol

Answer: 12

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Ionization energy is smaller for alkali and alkaline earth metals because they will achieve noble gas configuration. Order: s < d < p

Answer: Rb

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size increases in a column fro top to bottom due to additional shells

Answer: Rb

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Question 15 Which element has the highest electron affinity? OFr Na

100% Question 19 2 ptsAsU Home My CaHg +302 3CO2+ 4H2 How many moles of oxygen are necessary to react completely with 4.0 mol

Question 22 Which of the following atoms is the largest? Rb Na- Ouestion 23

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