Define ionization energy.

Define ionisaton energy.

Among alkaline earth metals __________ is having the highest ionization energy.

Find the first ionization energy of hydorgen atom given E_1 =- 13.38ev

Write differences between order and molecularities of a reaction. Define activation energy. What is temperature co-efficient of a reaction.

Which of the following orders regarding ionization energy is correct ?

The correct order of decreasing first ionization energy is

Which of the following atoms has the highest first ionization energy ?

Which element in the periodic table has the highest ionization energy?

Define activation energy . What is threshold energy ?

If the ionization energy of Li^(+2) is 19.6xx10^(-18) J per atom then energy of Be^(+3) ion in the second stationary state is