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Question
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?
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Solution
I (11)
RELATED QUESTIONS
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
Which element has:
two shells, both of which are completely filled with electrons?
Among the elements of the second period, Li to Ne, pick out the element with highest first ionization energy
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.
Arrange the following as per instruction given in the bracket.
Na, Mg, Cl, S, Si (increasing ionisation potential)
Arrange the following as per instruction given in the bracket.
Li, K, Na, H (decreasing order of their potential ionisation)
Arrange the following in order of increasing ionisation energy:
P, Na, Cl
Explain your choice.
Arrange the following in order of increasing ionisation energy:
F, O, Ne
Explain your choice.
Across a period, the ionization potential ______.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
