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Electronic Configuration of Actinides

Diagonal rela...

Question

Diagonal relationship of elements in due to the comparable size and electronegativity.

A

True

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B

False

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Solution

The correct option is A True
The elements with diagonal relationships placed diagonally have almost the same atomic and ionic size and electronegativity. As a result, their various properties are similar.
For eg: $L i - M g$ .

Thus, the given statement is true.

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Q. Diagonal relationship of elements in due to same:

Q. Thus , lithium shows similarities to magnesium and beryllium to aluminium in many of their properties. This type of diagonal similarity is commonly referred to as diagonal relationship in the periodic table. The diagonal relationship is due to the similarity in ionic sizes and / or charge / radius ratio of the elements.

Q. The following are some statements about diagonal relationship.
i) It is due to nearly same size, electronegativity and same polarising power
ii)

L i

has similar properties with

H_{2}

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A l_{2} O

are amphoteric in nature
iv) All

d

-block elements are stable

Q. Carbide of which of the following elements evolve methane on treatment with water due to diagonal relationship :

Identify the elements in the Periodic Table:

A: Which shows diagonal relationship to $B e$

B: Which shows diagonal relationship to $L i$

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