" 1.वृहत् What molecule है? Examples दीजिए? "

What are polar molecules ? Give examples.

What is homoatomic molecule ? Give two examples .

What is a heteroatomic molecule ? Give two examples .

What are Bioreacter molecules ? Give two examples.

What are non-polar molecules ? Give examples.

(a) What is an atom ? How do atoms usually exist ? (b) What is a molecule? Explain with an example. (c ) What is the difference between the molecule of an element and the molecule of a compound ? Give one example of each.