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Author Question: Which cation has the atomic number of 20 and a charge of +2? A) C2+ B) Mg2+ C) Ca2+ D) ... (Read 84 times)

cagreen833

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on: Aug 27, 2018
Which cation has the atomic number of 20 and a charge of +2?
 
  A) C2+
  B) Mg2+
  C) Ca2+
  D) S2+

Question 2

How is most of the water consumed by individuals in the United States actually used?
 
  A) We rinse it down the sink, tub, or toilet.
  B) We drink it.
  C) We use it to water our lawns.
  D) It evaporates.
  E) none of the above


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Smiles0805

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

C

Answer to Question 2

A


cagreen833

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Reply 2 on: Aug 27, 2018
Gracias!

ricroger

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Reply 3 on: Yesterday
Excellent

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