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प्रश्न
Give reason for the following:
Ionisation potential of the element increases across a period.
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उत्तर
As atomic size decreases and nuclear charge increases, it becomes more difficult to remove electrons, requiring more energy and increasing electron potential.
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संबंधित प्रश्न
Give one word or phrase for the following:
Formation of ions from molecules
State the trends in ionization energy down the group.
Choose the correct answer.
An element with highest ionization potential
(i) Calesium
(ii) Fluorine
(iii) Helium
(iv) Neon
Supply the missing word from those in the brackets:
If an element has a low ionization energy then it is likely to be ______ (metallic/ non-metallic).
Choose the correct answer from the choice given:
Ionisation potential increases over a period from left to right because the
Fill in the blank from the choice given in bracket.
The energy required to remove on electron from a natural isolated gaseous atom and convert it into a positively charged gaseous ion is called ____________
Arrange the following in order of increasing ionisation energy:
Ne, He, Ar
Explain your choice.
Across a period, the ionization potential ______.
Ionisation Potential values depend on the nuclear pull. Explain.
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?
