Check sibling questions

As per Ancient philosophy,

Atoms are smallest units of matter that cannot be divided into smaller and smaller components

 

When we divide matter smaller and smaller components 

we reach a stage when no more division is possible

 

These particles are called atoms.

Parmanu-Teachoo-01.jpg



In India,

Maharshi Kanad also proposed a similar philosophy

 

If we go on dividing padarth (matter) into smaller and smaller component

a stage will come when particles cannot be divided any further

 

These particles are called parmanu (atoms)

 

Modern Theory

Modern theory was developed by scientists at the end of the 18th century. This theory was based on experiments (and not philosophy)

 

As per this theory,

There was a difference between elements and compounds

These different elements combined with each other following the laws of chemical combination.

 

Let's study these in detail

Elementary and Compound based on modern theory-Teachoo-01.jpg

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo