Assertion: Elements in the same column have similar properties.
Reason: Periodic properties of elements is a function of atomic number.

Both assertion and reason are true and reason is the correct explanation of assertion

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Both assertion and reason are true and reason is not the correct explanation of assertion

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Assertion is true but reason is false

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Both assertion and reason are false

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Solution

The correct option is B
Both assertion and reason are true and reason is not the correct explanation of assertion

Elements in the same group (column) have the same number of electrons in their valence shell or similar valence shell electronic configuration. Thus, we observe a similar trend in the chemical properties of the elements in the same group.

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Similar questions

Assertion: Corrosion of iron is commonly known as rusting.

Reason: Corrosion of iron occurs in the presence of moist air.

(A) Both assertion and reason are false.

(B) Assertion is true, but the reason is false.

(D) Both assertion and reason are true. The reason is not the correct explanation of assertion.

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