Which of the following element named after scientists
The atomic number of the element named after the scientist who introduced the concepts of orbits or main energy levels
The elements named after countries and laboratries is/are
The element/s named after countries and laboratories is/are:
Write the symbol of the element It was named after the scientists , who discovered nucleus for the first time
The elements named after the name of the planets are :
The elements named after the name of the planets are
Which elements is named after the name of a planet is
A part of the early classification of elements has been given below: (a) Which law of classification of elements is illustrated by te above arrangement of elements? (b) Name the scientist who proposeed such a classification of elements. (c) Why is such a classification of elements compared with a characteristic of musical scale? (d) State one limitation of this classification of elements.
