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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
Represent ionisation potential in the form of an equation. In which unit it is measured?
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.
P, Na, CI
Arrange the following in increasing order of property indicated
Li, Be, B (ionization energy)
Electron affinities of two elements A and B are given below:
A = 3.79 electron volts
B = 3.56 electron volts
Which of them will ionize more easily and why?
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.
Identify the following:
The energy required to remove an electron from a neutral gaseous atom.
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.
Ionisation Potential values depend on the nuclear pull. Explain.
