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प्रश्न
Give reason for the following:
Ionisation potential of the element increases across a period.
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उत्तर
As atomic size decreases and nuclear charge increases, it becomes more difficult to remove electrons, requiring more energy and increasing electron potential.
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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 a phrase:
A process of formation of ions from molecules which are not in the ionic state.
State the trends in ionization energy down the group.
Arrange the elements of second and third period in increasing order of ionization energy.
Which element has:
two shells, both of which are completely filled with electrons?
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 |
Also, explain the following : Ionization energy of element C is less than that of element A.
Choose the correct answer from the choice given:
Ionisation potential increases over a period from left to right because the
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.
The element with highest ionisation potential is ______.
