Question

define the terms elements compounds and mixtures with a view to show their basic difference​

Answer 1

ELEMENT: Is a substance made up of same type of atoms having same atomic number. Eg: Na, Cl etc. MIXTURE: Is a substance in which two or more than two substances combine together in a variable ratio. ... COMPOUND: Is a substance in which two or more than two substances combine together in a fixed ratio.

Answer 2

Answer:

The substances which contain only one kind of atoms are known as elements. Ex- gold, silver, etc. A compound contains two kinds of atoms in a fixed proportion. Ex- water. The constituents of a compound can be separated only by chemical methods. A mixture contains more than one kind of atoms which are not in fixed proportion. The constituents of a mixture can be separated by physical methods.