Democritus and Aristotle Atomic Model

Q.

What is the contribution of the following in Atomic structure?

(a) Maharshi Kanada

(b) Democritus

Q.

What is difference between molecule , atom and mole

Q.

What do you know about atom? write the characteristics of atom.

Q. What is the contribution of the following in developing the atomic theory?

(a) Maharshi Kanada

(b) Democritus

Q. What is the contribution of the following in developing the atomic theory?

(a) Maharshi Kanada

(b) Democritus

Q.

(a) The compound A has the following percentage composition by mass:

Carbon $26.7\%$, oxygen $71.1\%$, hydrogen $2.2\%$. Determine the empirical formula for A (Answer to one decimal place)

$[\mathrm{H}=1,\mathrm{C}=12,\mathrm{O}=16]$

Q. Match the List of scientists and philosophers(List 1) with the list of statements(List 2).