Other questions in this quiz

2. Moles= ???

  • Mass x atomic number
  • Mass/ Mr
  • Mr/mass
  • Mass x Mr

3. Isotopes have a different number of what?

  • Electrons
  • Electron shells
  • Neutrons
  • Protons

4. Which structure conducts electricity when molten or dissolved?

  • Giant metallic
  • Simple covalent
  • Giant ionic
  • Giant covalent

5. In a flame test, Lithium burns with which colour flame?

  • Red
  • Purple
  • Blue
  • Brick red

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