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Author Question: What factor increases the hardness of ionic substances? A) the presence of more free electrons ... (Read 57 times)

BRWH

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on: Jul 16, 2018
What factor increases the hardness of ionic substances?
 
  A) the presence of more free electrons
  B) an increased charge on the ions
  C) a decreased charge on the ions
  D) multiple bonds

Question 2

Why does manganese, when added to calcite, cause the mineral to turn a deep red?
 
  A) The presence of trace constituents can affect color.
  B) Manganese overpowers the calcium in calcite.
  C) Manganese is formed under extremely hot conditions.
  D) Manganese is red and calcium is white, making red.


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Eazy416

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


BRWH

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Reply 2 on: Jul 16, 2018
Gracias!

JaynaD87

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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