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प्रश्न
Which element from the following has the highest ionization energy?
Explain your choice.
Ne, He, Ar
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उत्तर
He
Ionisation energy decreases with an increase in the atomic size, i.e. it decreases as one moves down a group. Ne, He and Ar are inert gases. He - Period 1, Ne - Period 2 and Ar - Period 3.
संबंधित प्रश्न
Choose the correct answer from the options given below:
Ionisation potential increases over a period from left to right because of the
(A) Atomic radius increases and nuclear charge increases
(B) Atomic radius decreases and nuclear charge decreases
(C) Atomic radius increases and nuclear charge decreases
(D) Atomic radius decreases and nuclear charge increases
Give one word or phrase for the following:
Formation of ions from molecules
Give a reason for Ionisation potential increases across a period, from left to right
Name the elements with highest and lowest ionization energies in the first three periods.
Choose the correct answer.
An element with highest ionization potential
(i) Calesium
(ii) Fluorine
(iii) Helium
(iv) Neon
State whether the ionization potential increases or decreases on going down a group.
Rewrite the following sentence by using the correct > (greater than) or < (less than) in the blank given
The ionization potential of potassium is _______ that of sodium.
Give reason for the following:
Ionisation potential decreases down a group.
Identify the following:
The energy required to remove an electron from a neutral gaseous atom.
The element with highest ionisation potential is ______.
