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Question
The element with highest ionisation potential is ______.
Options
Hydrogen
Caesium
Radon
Helium
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Solution
The element with highest ionisation potential is Helium.
RELATED QUESTIONS
The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ____________. (electron affinity, ionization potential,
electronegativity)
Name the periodic property which relates to the amount of energy required to remove an electron from an isolated gaseous atom.
Choose the correct answer.
An element with highest ionization potential
(i) Calesium
(ii) Fluorine
(iii) Helium
(iv) Neon
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 in increasing order of property indicated
Li, Be, B (ionization energy)
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, K, Cl, S, Si (increasing ionisation potential)
Arrange the following in order of increasing ionisation energy:
F, O, Ne
Explain your choice.
Across a period, the ionization potential ______.
Give reason:
Ionisation potential of the element increases across a period from left to right.
