Fill in the blankThe nature of oxide Al2O3 is ____

The nature of oxide Al2O3 is amphoteric.

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The nature of oxide Al₂O₃is ____

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The nature of oxide Al₂O₃is amphoteric.

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Chapter 1: Periodic Properties and Variations of Properties: Physical and Chemical - Exercise 2 [Page 17]

Chapter 1 Periodic Properties and Variations of Properties: Physical and Chemical
Exercise 2 | Q 3.1 | Page 17

Give reason:

Electron affinity of halogens is comparatively high ?

Give reason:

Electronegativity of chorine is higher than Sulphur?

Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)

The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?

Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is

Among the Period 2 elements, the element which has high electron affinity is

Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)

In a period, increase in electron affinity increases ______.

Arrange the following as per instruction given in the bracket.

Cl, F, Br, I (increasing electron affinity)

State electron affinity unit.