What term is used in chemistry to count atoms and molecules.

Name the radiations of electromagnetic spectrum which are used in studying structures and properties of atoms and molecules.

Define the term noise used in electronic communication

What is the ionisation energy of hydrogen atom?

What term is given to the chitinous plates in the exoskeleton of cockroach.

What term is given to the core of a cilium/flagellum?

What is the limitation of Rutherford atomic model?

What is the diameter of hydrogen atom?