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Author Question: The prefix which means seven is A) hexa. B) hepta. C) octa. D) ... (Read 24 times)

jeatrice

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on: Aug 27, 2018
The prefix which means seven is
 
  A) hexa.
  B) hepta.
  C) octa.
  D) tetra.

Question 2

________ are pure substances.
 
  A) Homogeneous mixtures and elements
  B) Elements and compounds
  C) Heterogeneous mixtures and compounds
  D) Homogeneous and heterogeneous compounds


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todom5090

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

B

Answer to Question 2

B


jeatrice

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Reply 2 on: Aug 27, 2018
Gracias!

marict

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Reply 3 on: Yesterday
Excellent

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