Which of the following element belongs to the group 1 ?

Gold

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Helium

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Sodium

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Magnesium

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Solution

The correct option is C Sodium
Group 1 elements in the sense it should have only one unpaired electron and should have oxidation state as +1.Surely answer for this would be metals that too alkali metals examples sodium,potassium and so on.

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Similar questions

The atomic numbers of three elements A, B and C are given below :

Element Atomic number

A 5

B 7

C 10

(i) Which element belongs to group 18? (ii) Which element belongs to group 15?

(iii) Which element belongs to group 13? (iv) To which, period/periods do these elements belong?

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