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The ionisation energy (IE(1)) of an atom...

The ionisation energy `(IE_(1))` of an atom is defined as the energy needed to remove an electron from gaseous atom in its ground state. The 2nd ionisation energy `(IE_(2))` is the additional energy needed to remove the 2nd electron and so on. The successive ionisation energy of any species is increasing always.
Which represents the correct order of first ionisation potential of third period elements?

A

`Na gt Mg gt Ai gt Si`

B

`Na lt Mg lt AI lt Si`

C

`Na lt Si lt AI lt Mg`

D

`Na lt AI lt Mg lt Si`

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The correct Answer is:
D
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The ionisation energy (IE_(1)) of an atom is defined as the energy needed to remove an electron from gaseous atom in its ground state. The 2nd ionisation energy (IE_(2)) is the additional energy needed to remove the 2nd electron and so on. The successive ionisation energy of any species is increasing always. Generally, the first ionisation energy increase along a period. But there are some exceptions. One which is not an exception is:

The ionisation energy (IE_(1)) of an atom is defined as the energy needed to remove an electron from gaseous atom in its ground state. The 2nd ionisation energy (IE_(2)) is the additional energy needed to remove the 2nd electron and so on. The successive ionisation energy of any species is increasing always. In the graph below elements of period given with their ionisation energy. Select the one which represents an alkali metal:

The ionisation potential of H-atom is 13.6 eV. The energy required to remove an electron from the second orbit of hydrogen is

If E_(e) is the energy needed to remove an electron from atom and E_(n) be energy needed remove a nucleion, then:

Which one of the following order is correct for the first ionisation energies of the elements?

What is the correct order of 2^(nd) ionisation energy

What is the correct order of 2^(nd) ionisation energy ?

The ionisation energy o Li^(2+) atom in ground state is,

GRB PUBLICATION-PERIODIC TABLE-Comprehension
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  2. The minimum amount of energy which is required to remove an outermost ...

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  11. In the modern period table, elements are arranged in order of increasi...

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  12. In the modern period table, elements are arranged in order of increasi...

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  13. In the modern periodic table, elements are arranged in order of increa...

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  14. In the modern periodic table, elements are arranged in order of increa...

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  15. Ionisation energies three hypothetical elements are given below (in kJ...

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  16. Ionisation energies three hypothetical elements are given below (in kJ...

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  17. Ionisation energies three hypothetical elements are given below (in kJ...

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  18. In 1931, Pauling defined the electronegativity of an atom as the tende...

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