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प्रश्न
Arrange the following in order of increasing ionisation energy:
Ne, He, Ar
Explain your choice.
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उत्तर
Ne, He, and Ar belong to group 18, and He is at the top. As ionisation energy decreases in the group, He has the highest ionisation energy.
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संबंधित प्रश्न
Give one word or phrase for the following:
Formation of ions from molecules
A process of formation of ions from molecules which are not in the ionic state
Define the term ‘ionisation potential`.
State the trends in ionization energy across the period.
Choose the correct answer.
An element with highest ionization potential
(i) Calesium
(ii) Fluorine
(iii) Helium
(iv) Neon
Among the elements of the second period, Li to Ne, pick out the element with highest first ionization energy
State whether the ionization potential increases or decreases on going down a group.
Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.
Arrange the following in order of increasing ionisation energy:
P, Na, Cl
Explain your choice.
Give reason:
Ionisation potential of the element increases across a period from left to right.
