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Yes, this is probably the simplest question of this Chapter! There is a 4 at the bottom of P, so, its atomicity is 4.
One of the most common substances to be found on Earth is Water. Water molecules are made up of 2 atoms of H and 1 atom of O. So, its chemical formula is H2O.
From the table, what is the mass of 1 molecule of water?
  • \(16 \, \mathrm{amu}\)
  • \(2 \, \mathrm{amu}\)
  • \(17 \, \mathrm{amu}\)
  • \(18 \, \mathrm{amu}\)