Basic chemistry
After classification of universe Universe has a two form matter and radiation according to Einstein matter and radiation are related to each other by the using the equation E = mc2 Both are related to each other for example if we take a Chalk and when your teacher write on a blackboard the chalks particles are a down the floor can you see this chalk particles your answer is yes so so this any tiny particle if we see then This particle is is exist in the form of matter but if we this t i n y particle is further broken down with a special instrument and about hundred times smaller then before one and this stage if we can see that particle then we also called matter but again further broken down with special instrument about 1000 times before one and this stage what happened are you see that particle ???? Answer is no!!!!! Where goes the matter??? Answer is the matter is converted into the radiation which has no mass no Volume and cannot be feel our five sense organ (you are confused in t...