Where are these elements used?

Hydrogen- water
Helium- gas balloons
Lithium - batteries 
Beryllium- emeralds
Boron- sports equipment
Carbon- diamonds 
Nitrogen- protein
Oxygen- air
Fluorine- toothpaste 
Neon- glow signs
Sodium- salt
Magnesium- chlorophyll 
Aluminium- kitchenware
Silicon- sand
Phosphorus- bones
Sulfur- hair
Chlorine- swimming pools
Argon- light bulbs
Potassium- fruits and vegetables
Calcium-shells
Scandium-Bicycles
Titanium-Aerospace
Vanadium-springs
Chromium-steel plates
Manganese- earthmovers
Iron- metal bridges
Cobalt- magnets
Nickel- coins
Copper-electric wires
Zinc- brass instruments