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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
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
A process of formation of ions from molecules which are not in the ionic state
Give a reason for Ionisation potential increases across a period, from left to right
State the trends in ionization energy down the group.
Give reason for the following:
Ionisation potential of the element increases across a period.
Which element has:
two shells, both of which are completely filled with electrons?
Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.
Arrange the following as per instruction given in the bracket.
Na, K, Cl, S, Si (increasing ionisation potential)
Fill in the blank by selecting the correct word from the option.
If an element has a low ionization energy then it is likely to be ________
First ionisation enthalpy of two elements X and Y are 500 kJ mol−1 and 375 kJ mol−1 respectively. Comment about their relative position in a group as well as in a period.
