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Author Question: Molecular oxygen is composed of two oxygen atoms that share four electrons. How many covalent bonds ... (Read 159 times)

schs14

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on: Jul 27, 2018
Molecular oxygen is composed of two oxygen atoms that share four electrons. How many covalent bonds exist between the two oxygen atoms?
 
  a. none
  b. one
  c. two
  d. four
  e. eight

Question 2

The greenhouse effect produces excess heat in a planet's atmosphere by
 
  a. trapping infrared radiation from escaping into space.
  b. clouds blocking the surface from receiving any infrared radiation.
  c. preventing light gases from escaping into space.
  d. trapping ultraviolet light in the upper atmosphere of the planet.


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BUTTHOL369

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

c

Answer to Question 2

a


schs14

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Reply 2 on: Jul 27, 2018
Wow, this really help

diana chang

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

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