Question

Avogadro number definition??

Answer 1

Hi friend,
Avogadro 's number is of units in one mole of any substance equal to 6.022140857*10^23. The units may be electrons ,atoms,ions or molecules depending on nature of substance and the character of reaction

I hope that my answer is helpful for you

Answer 2

Hi there!

Avogadro Number $N_{\alpha}$, is the fundamental physical constant that links the macroscopic physical world of objects that we can see and feel with the submicroscopic, invisible world of atoms.

It's value is : 6.022 × $10^{23}$
This No. was named such to honour Amedo Avogadro who invented this number.

Hope it helps! :D