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Author Question: Magnesium has 12 protons. How many electrons are in its second energy level? a. two b. four c. ... (Read 119 times)

neverstopbelieb

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on: Jul 27, 2018
Magnesium has 12 protons. How many electrons are in its second energy level?
 
  a. two
  b. four
  c. six
  d. eight
  e. ten

Question 2

_____________ are believed to have formed on Mercury when the planet's interior cooled and shrank.
 
  a. Jumbled terrain
  b. The highlands
  c. Maria
  d. Lobate scarps
  e. Sinuous rills


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CAPTAINAMERICA

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

d

Answer to Question 2

d


neverstopbelieb

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Reply #2 on: Jul 27, 2018
Thanks


CAPTAINAMERICA

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Reply #3 on: Jul 27, 2018
Welcome :)


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