Some Basic Conc...

Precision and Accuracy refer to _______ of various measurements for the same quantity repeatedly  and agreement of a particular value to the ------- --------  of the result , respectively.

Significant figures are

According to Gay Lussac’s Law of Gaseous Volumes,

" when gases combine or are produced in a chemical reaction they do so in  a ______ ratio  by volumes provided all gases are at same temperature and pressure."

According to Avogadro Law equal volumes ofall gases at the same temperature and pressure should contain ---------- number of molecules .

Molecular mass of a compound  is the -------------  of atomic masses of elements present in a molecule .

One mole is the amount of a substance that contains as many particles or entities as there are atoms in

A given compound always contains exactly the same proportion of elements by weight. This law is stated by

Avogadro's constant is the number of entities ( viz. atoms , molecules or ions  ) present in -------------  mole of a substance.

An empirical formula represents the simplest

Molecular formula represents