Question

write 2 points of difference between atoms and ion explain by giving examples of 2 types of ion present in the compound composed of metal and non metals

Answer 1

Atoms.
1. Atoms are the smallest particles of an element which may have or may not have independent existence but take part in a chemical reaction.
2. atoms are very small and their radius is measured in nanometres.
e.g. atom of hydrogen ,oxygen.

Ions.
1.group of atom or molecules lose or gain electron they become charged . these spices are known as ions.
2.these can be negative or positive charge.
eg. Na+,K+,Cl-,Br-