Question

Define the following terms
i》Atomicity
ii》empirical formula
iii》 atomic mass unit
iv》 Loschmidt number

Answer 1

Answer:

ATOMICITY--------------------------------~~~~~~~~~

number of atoms present in particular molecule is known as atomicity.

Example-- atomicity of hydrogen and oxygen in one molecule of water is 2 and 1 respectively.

EMPHERICAL

FORMULA----------------------~~~~~~~~~~~

simplest ratio of and molecular formula is defined as empirical formula.

Example----

For Glucose/-

molecular formula- C6H12O6

emperical formula-- CH2O

ATOMIC MASS

UNIT --------------------------~~~~~~~~~

it is the 1/12th mass of one carbon atom.

LOSCHMIDT

NUMBER------------------~~~~~~~~~~~~

it is number of molecules present in 1 ml solution[AT STP].