Which of the following elements belong to the first group of Mendeleev's periodic table?

Hydrogen

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Lithium

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Beryllium

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Sodium

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Boron

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Potassium

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Caesium

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Nitrogen

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Solution

The correct option is G Caesium

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Similar questions

Consider the following elements :

Na, Ca, Al, K, Mg, Li

(a) Which of these elements belong to the same period of the periodic table?

(b) Which of these elements belong to the same group of the periodic table?

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