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Author Question: Which chemical family is composed almost entirely of synthetic elements? A) the actinides B) the ... (Read 66 times)

Awilson837

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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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Answer to Question 1

A

Answer to Question 2

B




Awilson837

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Reply 2 on: Aug 27, 2018
:D TYSM


Liddy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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