Gypsum is a whitish, yellowish mineral, not an element. it stands for CaSO4 . 2 H2O. it is a widespread mineral.
Gypsum is a compound. It is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O.CaSO4·2H2O). The word gypsum comes from the Greek word meaning chalk or plaster, two of its most common uses.
Mineral.
Gypsum is a salt (a compound made of both metallic and non-metallic elements).
Plaster of Paris (gypsum) is calcium sulfate (CaSO4.0,5H2O) - a compound.
element. Sulfur dioxide (SO2) is a compound
KCl is a compound not an element.
Beryllium is an element. It is not a compound
cornstarch is a compound element.
Mixture
To calculate the grams of an element in a compound, you need to find the molar mass of the element and the compound. Then, use the formula: (mass of element/molar mass of compound) x molar mass of element. This will give you the grams of the element in the compound.
if it dissolves its a compound if not its an element.
NO = Nitrous Oxide - compound No = Nobelium - element