Question

State the relation between atomic number and atomic mass for light elements. State which elements are considered radioactive giving reasons... ​

Answer 1

Answer:

While the atomic no increases the electrons in the atom increases and no of shells increases so the size of the atom increases. ... If an element has an atomic mass of 53.67 and an atomic number of 23.

Answer 2

Answer:

Atomic number of an element is the number of protons present in the nucleus of an atom and atomic weight of an element is the number of times an atom is heavier than an atom of hydrogen which is taken as unity.