The symbols and names of elements from 1 to 18 atomic number
Answer»
HYDROGEN = H Helium = He Lithium = Li Beryllium = Be Boron = B Carbon = C Nitrogen = N Oxygen = O Flourine = F Neon = Ne Sodium = Na Magnesium = Mg Aluminium = Al Silicon = Si Phosphorus =P Sulphur = S Chlorine = Cl Argon = Ar