43.THE PERIODIC TABLE – Atomic Mass & Atomic Weight.

Let us now proceed further and discuss periodic trends in a new parameter – The atomic weight or atomic mass. The difference between weight and mass –¬† Generally the terms weight and mass are used¬†synonymously , although their meanings are different. Mass(measured in g or kg) is a measure of quantity of a substance ,…

42.THE PERIODIC TABLE -Atomic Number, Atomic Mass Number,Atomic size.

We shall begin our discussion on the general periodic trends of the periodic table from this post onwards.Periodicity means the tendency to recur/repeat at regular intervals.The table of elements manifests this phenomenon in many ways. The arrangement of elements is such that their properties show a periodic trend across a row and down a group.Let…