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प्रश्न
An element in period 3, whose electron affinity is zero:
पर्याय
Sulphur
Sulphur
Neon
Argon
उत्तर
Argon
Explanation:
- Argon is an inert gas.
- It does not need to gain or lose electrons because its octet is complete.
- As a result, argon has no electron affinity.
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संबंधित प्रश्न
Element X is a metal with a valency 2, Y is 3 non- metal with a valency 3.
1) Write an equation to show how Y from an ion.
2) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Give one word or phrase for the following:
The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.
Define the term ‘electron affinity’.
State the factors on which electron affinity depends ?
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
Fill in the blank
Noble gases have ______ electron affinity.
Explain
Halogens have high electron affinity.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Electron affinity increases going down a group.
The electron affinity of an element X is greater than that of element Y.
How is the oxidising power of X likely to compare with that of Y?
