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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?
Solution
I (11)
RELATED QUESTIONS
Rewrite the following sentences by using the correct symbol > (greater than) or < (less than) in the blanks given
The ionization potential of potassium is _________________ that of sodium.
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?
Arrange the elements of second and third period in increasing order of ionization energy.
Give reason for the following:
Ionisation potential of the element increases across a period.
Which element from the following has the highest ionization energy?
Explain your choice.
Ne, He, Ar
Li, K, Na, H (In the decreasing order of their ionization potential)
Among the elements of the second period, Li to Ne, pick out the element with highest first ionization energy
Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.
Arrange the following in order of increasing ionisation energy:
F, O, Ne
Explain your choice.
