Chemistry

1. How do you work out the number of neutrons in an atom?

  • the nucleon number minus the proton number
  • nucleon number multiplied by the proton number
  • proton number add the nucleon number
  • proton number minus the nucleon number
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2. How are the atoms in metals arranged?

  • Regular layers
  • In groups
  • Unregular layers
  • Cirlces

3. Finish the sentence: electrons in atoms are arranged in...

  • rings
  • shells or energy levels
  • energy levels
  • shells

4. When is a double covalent bond formed?

  • Hi
  • When three pairs of electrons are shared between two atoms
  • When two pairs of electrons are shared between two atoms
  • When two atoms are borrowed by another atom

5. is alex amazing

  • yes! he is also awpic
  • no
  • im not sure
  • no comment

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