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Home Q & A Board Science-Related Homework Help Physics Astronomy
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dundlermuffin dundlermuffin
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6 years ago
What type of bond is formed whenever atoms share a pair of electrons?
 
  a. covalent
  b. hydrogen
  c. ionic
  d. double
  e. peptide

Question 2

The greenhouse effect keeps Venus hot because
 
  a. the atmosphere contains free oxygen.
  b. the atmosphere is predominantly carbon dioxide.
  c. the surface converts infrared into visible radiation.
  d. the surface is free of sulfur compounds.
  e. the magnetic field traps a large number of particles from the solar wind.

Question 3

The bond in table salt (NaCl) is:
 
  a. polar
  b. ionic
  c. covalent
  d. double
  e. nonpolar

Question 4

The surface of Venus has been studied
 
  a. using radar maps made from Earth.
  b. using radar maps made from satellites orbiting Venus.
  c. using spacecraft that have landed on the surface of Venus.
  d. using radar maps made from Earth, using radar maps made from satellites orbiting Venus, and using spacecraft that have landed on the surface of Venus.
  e. using radar maps made from satellites orbiting Venus and using spacecraft that have landed on the surface of Venus.
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FakeUserFakeUser
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dundlermuffin Author
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#2
6 years ago
What an excellent community, thanks for answering
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