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प्रश्न
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.
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उत्तर
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | 8 | 18 |
| C | Z + 1 |
Since C belongs to group 1 it has less ionization energy than A as atomic size of group 1 elements is more than that of group 17.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
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 phrase for the following:
Formation of ions from molecules
A process of formation of ions from molecules which are not in the ionic state
Name the elements with highest and lowest ionization energies in the first three periods.
In a group, a particular element has the lowest ionization potential; does it ionize most easily or least easily? Explain with example.
Choose the correct answer from the choice given:
Ionisation potential increases over a period from left to right because the
Arrange the following as per instruction given in the bracket.
Na, Mg, Cl, S, Si (increasing ionisation potential)
Arrange the following in order of increasing ionisation energy:
P, Na, Cl
Explain your choice.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
