Which of the following option is true for the given statements- if elements A and B both are non-metals-A Element A and element B both have the same valency-B Element A and element B both belong to the same group-A- Both Statements cannot be true simultaneouslyB- For Statement A to be true Statment B has to be trueC- For Statement B to be true Statement A has to be trueD- Both the statements are true but don-t depend on each other-

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Periodic Table

Which of the ...

Question

Which of the following option is true for the given statements, if elements A and B both are non-metals?

A) Element A and element B both have the same valency.

B) Element A and element B both belong to the same group.

For Statement A to be true Statment B has to be true

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For Statement B to be true Statement A has to be true

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Both Statements cannot be true simultaneously

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Both the statements are true but don't depend on each other.

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Solution

The correct option is B
For Statement B to be true Statement A has to be true

Since we know that elements of the same group have the same valency but it's not true the other way around. Since many elements of different groups have the same valency because valency varies from 0-4 and is similar from different groups. For example, valency of chlorine and sodium is the same but they don't lie in the same group.

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Which of the following option is true for the given statements, if elements A and B both are non-metals? A) Element A and element B both have the same valency. B) Element A and element B both belong to the same group.

Which of the following option is true for the given statements, if elements A and B both are non-metals?

A) Element A and element B both have the same valency.

B) Element A and element B both belong to the same group.