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Author Question: The prefix thio- denotes A) replacement of an oxygen atom by a sulfur atom. B) a sulfursulfur ... (Read 156 times)

fbq8i

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on: Aug 27, 2018
The prefix thio- denotes
 
  A) replacement of an oxygen atom by a sulfur atom.
  B) a sulfursulfur double bond.
  C) sulfur in a negative oxidation state.
  D) a sulfuroxygen double bond.
  E) an allotropic form of sulfur.

Question 2

The ions Ca2+ and PO43- form a salt with the formula ________.
 
  A) CaPO4
  B) Ca2(PO4)3
  C) Ca2PO4
  D) Ca(PO4)2
  E) Ca3(PO4)2

Question 3

What is the mass in grams of 9.76  1012 atoms of naturally occurring potassium?
 
  A) 2.41  1012
  B) 2.50  1011
  C) 6.34  10-10
  D) 1.62  10-11
  E) 3.82  1014
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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peilian

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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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fbq8i

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Reply #2 on: Aug 27, 2018
Thank you!


peilian

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Reply #3 on: Aug 27, 2018
Always glad to help...


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