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Back to School Test 2015 - Science Grade 10 / Back to School Test 2015 - Science Grade 10

Sample Question

Covalent bonding occurs when pairs of electrons are shared by atoms. Which of the following chemical compounds is formed by covalent bonding?

  • [% NaCl %]
  • [% MgO %]
  • [% HF %]
  • [% CH_4 %]

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