The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups. Its reason is

Both are found together in nature

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Both have nearly the same size

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Both have similar electronic configuration

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The ratio of their charge and size (i.e charge density) is nearly the same

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Solution

The correct option is D
The ratio of their charge and size (i.e charge density) is nearly the same

Due to diagonal relationship Li and Mg show similarities.

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Similar questions

The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups because

Assertion: Be and Al have similar properties.

Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

L i^{+}

M g^{2 +}

H e

H_{2}

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