Chemistry 🧪🧪🧪

• Which family does sodium belong to?

  Alkali Metals (Group 1)
• Which family does sodium belong to?

  Alkali metals (Group 1)
• Which family does chlorine belong to?

  Halogens (Group 17)
• Which family does iron belong to?

  Transition metals
• Which family does neon belong to?

  Noble gases (Group 18)
• What does diatomic mean?

  Existing as a molecule composed of two atoms.
• Which of these is not a diatomic element: Nitrogen, iodine, helium?

  Helium
• Give one way to increase the number of collisions in a chemical reaction.

  • Increase the concentration of reactants
  • Increase temperature
  • Increase surface area of reactants (if applicable)
  • Add a catalyst
• What is the atomic number the same as?

  The number of protons in an atom's nucleus.
• Which particle in the atom has a mass of 1 amu and a positive charge?

  Proton
• Which atomic particle has a mass of 1 amu and no charge?

  Neutron
• Which particle has a mass of zero and a negative charge?

  Electron
• What is the formula for calculating the total mass of an atom?

  • Total mass = Protons + Neutrons
• What type of bonding are the structures mainly discrete molecules?

  Covalent bonding
• In which type of bonding is the structure formed a lattice?

  Ionic bonding
• In which type of bonding will a substance conduct when molten or in solution?

  Ionic bonding
• In which type of bonding will a substance never conduct except for carbon?

  Covalent bonding