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 : Electron affinity of B is Zero.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Fill in the blank
The nature of oxide Al2O3 is ____
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Fill in the blank
Noble gases have ______ electron affinity.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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State whether the following statement is true or false
Fluorine has higher electron affinity than chlorine.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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State whether the following statement is true or false
The elements with higher electron affinity have higher ionization potential.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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What is electron affinity?
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Explain
Halogens have high electron affinity.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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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.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Down the group, electron affinity ______.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Among the Period 2 elements, the element which has high electron affinity is
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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In a period, increase in electron affinity increases ______.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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On descending a group, ______ in ionisation potential as well as electron affinity ______ oxidising capacity.
[1] Periodic Table, Periodic Properties and Variations of Properties
Chapter: [1] Periodic Table, Periodic Properties and Variations of Properties
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Explain the following method with example.
Double decomposition (precipitation)
[3.1] Acids and Bases
Chapter: [3.1] Acids and Bases
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