Question

avearage properties of constituents contained in it

Answer 1

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Almost 99% of the minerals that make up the earth's crust are made up of just eight elements: Oxygen (46.60%), Silicon (27.72%), Aluminium (8.13%), Iron (5%), Calcium (3.63%), Sodium (2.83%), Potassium (2.59%) and Magnesium (2.09%).

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