Day: September 27, 2016

Role of the Teacher in Developing Oral Skills

The development of oral skills can be only done in an environment where the student is comfortable, in the presence … More Role of the Teacher in Developing Oral Skills

Atomic models

Mole Concept

        MOLE- It is an amount of a substance in which 6.022X1023 particles are present. 6.022X1023 is known as … More Mole Concept

Electron gain Enthalpy

Question: Knowing the electron gain enthalpy values for O → O– and O → O2- as –141 and 702 kJ mol-1respectively, how … More Electron gain Enthalpy