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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)
Represent ionisation potential in the form of an equation. In which unit it is measured?
Arrange the elements of second and third period in increasing order of ionization energy.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing ionization potential
Which element has:
two shells, both of which are completely filled with electrons?
Which element from the following has the highest ionization energy?
Explain your choice.
F, O, Ne
which element has the highest ionisation potential.
Give reason for the following:
Ionisation potential decreases down a group.
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.
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least Ionisation Energy?
