List for quiz

[nesan]

In this thread We can share list of ten helpful for quiz.
   
Heaviest Elements sorted by its density in grams per square centimeter.
1)Osmium-22.59.
2)Iridium-22.56.
3)Platinum-12.45.
4)Rhenium-12.02.
5)Neptunium-20.45.
6)Plutonium-19.82.
7)Gold-19.29.
8)Tungsten-19.25.
9)Uranium-19.05.
10)Tantalum-16.67.
Lightest Elements in the world sorted by its density value(in grams in sq cm).1)Lithium-0.53.
2)Potassium-0.86.
3)Sodium-0.97.
4)Rubidium-1.53.
5)Calcium-1.55.
6)Magnesium-1.74.
7)Phosphorus-1.83.
8)Beryllium-1.84.
9)Caesium-1.90.
10)Sulphur-2.07.

[nesan]

Largest amount of Elements in Earth sorted by the value of parts per million.
1)Oxygen-461,000.
2)Silicon-282,000.
3)Aluminium-82,300.
4)Iron-56,300.
5)Calcium-41,500.
6)Sodium-23,600.
7)Magnesium-23,300.
8)Potassium-20,900.
9)Titanium-5,650.
10)Hydrogen-1,400.

[nesan]

Largest amount of Elements in the ocean sorted by amount in tonnes per sq km.
1)Oxygen-857,000,000.
2)Hydrogen-107,800,000.
3)Chlorine-19,870,000.
4)Sodium-11,050,000.
5)Magnesium-1,326,000.
6)Sulphur-928,000.
7)Calcium-422,000.
8)Potassium-416,000.
9)Bromine-67,300.
10)Carbon-28,000.

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Largest amount of Elements in the universe sorted by the value of ppm(parts per million).
1)Hydrogen-750,000.
2)Helium-230,000.
3)Oxygen-10,000.
4)Carbon-5,000.
5)Neon-1,300.
6)Iron-1,100.
7)Nitrogen-1,000.
8)Silicon-700.
9)Magnesium-600.
10)Sulphur-500.