Question

How is a compound different from the elements that composed it?

Answer 1

a compound contains atoms all different elements chemically combined it together in a fixed ratio. an element is a pure chemical substance made of same type of atom compounds contain different elements in a fixed ratio arranged in a different manner through chemical bonds

Answer 2

An element is a pure chemical substance made of the same type of Atom. Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. In other words a compound is a arranged mixture of elements while an element alone is purely one chemical substance. Hope this helps.