To explain and understand natural phenomenon, there is given a

"Atomos" is a Greek word which means

A. small

B. indivisible

C. invisible

D. large

The movement of particles from an area of higher concentration to an area of lower concentration is called

A. osmosis

B. diffusion

C. Brownian motion

D. parallel motion

Who suggested that atomos were eternal and could not be destroyed.

A. Democritus

B. Aristotle

C. Robert brown

D. Albert Einstein

The density of a substance is the total mass of a unit. It is called

A. weight

B. volume

C. gravity

D. force

An advance microscope which allows us to see tiny discreet articles in matter is called

A. simple microscope

B. compound microscope

C. electron microscope

D. scanning tunneling microscope