Question

define of element of11th

Answer 1

An element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element's atoms have the same atomic number. Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.

Answer 2

Elements:-

An element is a substance that cannot be split up intro two or more simpler susbtance by the usual chemical methods of applying light, heat or electrical energy.

• Elements are made up of only one kind of atoms.

Example:- Carbon, hydrogen, nitrogen, oxygen, aluminium etc.