Question

Derive atomic radius of atom

Answer 1

If we were able to determine the atomic radius of an atom from experimentation, say Se, which had an atomic radius of 178 pm, then we could determine the atomic radius of any other atom bonded to Se by subtracting the size of the atomic radius of Se from the total distance between the two nuclei. So, if we had the compound CaSe, which had a total distance of 278 pm between the nucleus of the Ca atom and Se atom, then the atomic radius of the Ca atom will be 278 pm (total distance) - 178 pm (distance of Se), or 100 pm. This process can be applied to other examples of ionic radius.

Answer 2

Hey brainly user

Here is your answer

Atomic radius :

The distance between center of the nucleus and the outer most shell of an atom is called atomic radius

Unit : A, no, cm

»Atomic radius Increases in group

reason : In a group as we move from top to bottom the defferinating electron enters into higher levels

So the number of new shells Increases

» In a period atomic radius decreases from left to right in a period

In a given period deferentianing electron enters into the same orbit