Question

write downthe chemical formules of some elemebts​

Answer 1

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A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. Water is composed of hydrogen and oxygen in a two to one ratio.

Answer 2

Answer:

CnH2nOn : Sugar.

H2SO4 : Sulfuric Acid. CH4 : Methane.

C12H22O11 : Sucrose. C3H8 : Propane.

NaHCO3 : Baking Soda. F : Fluoride. F2 : Fluoride.