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Author Question: What is the term for an atom or group of atoms that characterizes a class of compounds? A) alkyl ... (Read 97 times)

mcmcdaniel

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on: Aug 27, 2018
What is the term for an atom or group of atoms that characterizes a class of compounds?
 
  A) alkyl group
  B) carbonyl group
  C) carboxyl group
  D) functional group
  E) none of the above

Question 2

How many moles of water react with 5.00 mol of lithium metal?
 
  __Li(s) + __H2O(l)  __LiOH(aq) + __H2(g)
  A) 2.50 mol
  B) 5.00 mol
  C) 10.0 mol
  D) 20.0 mol
  E) none of the above

Question 3

The ligand with the name aqua when used in complexes with transition metals has the formula ________.
 
  A) H2O
  B) H2O2
  C) HO-
  D) N3-
  E) H3O+

Question 4

Which of the following is a rare earth element?
 
  A) Al
  B) Be
  C) Li
  D) Sc
  E) none of the above


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mirabriestensky

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B

Answer to Question 3

A

Answer to Question 4

D


mcmcdaniel

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Reply 2 on: Aug 27, 2018
Gracias!

jomama

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  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

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