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Author Question: The atomic radius of main-group elements generally increases down a group because ________. A) ... (Read 66 times)

deesands

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on: Aug 27, 2018
The atomic radius of main-group elements generally increases down a group because ________.
 
  A) effective nuclear charge increases down a group
  B) effective nuclear charge decreases down a group
  C) effective nuclear charge zigzags down a group
  D) the principal quantum number of the valence orbitals increases
  E) both effective nuclear charge increases down a group and the principal quantum number of the valence orbitals increases

Question 2

A sample of CH2F2 with a mass of 19 g contains ________ atoms of F.
 
  A) 2.2  1023
  B) 38
  C) 3.3  1024
  D) 4.4 1023
  E) 9.5
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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diana chang

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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deesands

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Reply 2 on: Aug 27, 2018
Excellent

elyse44

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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