Chemistry

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

  • the nucleon number minus the proton number
  • proton number add the nucleon number
  • proton number minus the nucleon number
  • nucleon number multiplied by the proton number
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Other questions in this quiz

2. True or fasle-Atoms of elements in the same group in the periodic table have the same number of valence electrons

  • true
  • false

3. When is a double covalent bond formed?

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

4. What is the attraction between oppositely charged ions called?

  • Ionic bonding
  • Covalent bonding

5. How are the atoms in metals arranged?

  • In groups
  • Unregular layers
  • Regular layers
  • Cirlces

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