It is a compound because it has two or more elements (in this case 3) chemically bonded together in a fixed ratio and structure.
It is composed of the elements magnesium, sulfur, and oxygen.
Sodium hydrocide is not an existing compound, so the answer is NO.
Magnisium phosphide.
Because ALL sodium salts are soluble: carbonates and hydroxide and natural soap: "fatty acid carboxylates", contrarely to Ca- and Mg salts
iron sulphate is a compund
Yes Iron Sulphate is a compound because it contains more than 1 element which is chemically joined.
magnisium sulphate
Sodium hydrocide is not an existing compound, so the answer is NO.
Magnisium phosphide.
It is an element. If it is not in the periodic table it is not an element.
Yes, the calcium sulphate (CaSO4) is a chemical compound.
Because ALL sodium salts are soluble: carbonates and hydroxide and natural soap: "fatty acid carboxylates", contrarely to Ca- and Mg salts
Compound.
no it is not
A compound.
Compound
iron sulphate is a compund
vanadium(I) sulphate, but as far as I am aware, this compound is unknown