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प्रश्न
Name the elements with highest and lowest ionization energies in the first three periods.
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उत्तर
Helium (He) has the highest ionization energy of all the elements, while Caesium (Cs) has the lowest ionization energy.
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संबंधित प्रश्न
Represent ionisation potential in the form of an equation. In which unit it is measured?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing ionization potential
Give reason for the following:
Ionisation potential of the element increases across a period.
What is meant by ionization potential?
which element has the highest ionisation potential.
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.
Arrange the following in order of increasing ionisation energy:
F, O, Ne
Explain your choice.
Across a period, the ionization potential ______.
Give reason:
Ionisation potential of the element increases across a period from left to right.
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?
