Advertisements
Advertisements
प्रश्न
Which element from the following has the highest ionization energy?
Explain your choice.
Ne, He, Ar
Advertisements
उत्तर
He
Ionisation energy decreases with an increase in the atomic size, i.e. it decreases as one moves down a group. Ne, He and Ar are inert gases. He - Period 1, Ne - Period 2 and Ar - Period 3.
संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
Give one word or phrase for the following:
Formation of ions from molecules
Name the elements with highest and lowest ionization energies in the first three periods.
Which element from the following has the highest ionization energy?
Explain your choice.
P, Na, CI
Li, K, Na, H (In the decreasing order of their ionization potential)
Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.
Arrange the following as per the instruction given in the bracket
Na,Li,K (Increasing ionization energy)
Give reason for the following:
Ionisation potential decreases down a group.
Arrange the following as per instruction given in the bracket.
Na, Mg, Cl, S, Si (increasing ionisation potential)
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?
