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Author Question: Which chemical family is composed almost entirely of synthetic elements? A) the actinides B) the ... (Read 32 times)

Awilson837

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on: Aug 27, 2018
Which chemical family is composed almost entirely of synthetic elements?
 
  A) the actinides
  B) the lanthanides
  C) the halogens
  D) all of the above
  E) none of the above

Question 2

What do you expect the pH of a soil sample to be if the geology in the area was composed of a large amount of calcium carbonate (CaCO3)?
 
  A) low pH
  B) high pH
  C) negative pH
  D) neutral pH
  E) Calcium carbonate has no effect on pH.


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Liddy

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

A

Answer to Question 2

B


Awilson837

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

daiying98

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Reply 3 on: Yesterday
:D TYSM

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