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Observe the information and answer t...

Observe the information and answer the following questions

Write the elements which belongs to `1^(st ) ` Group .

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Sodium (Na). Potassium (K) Belongs to `1 ^(st ) ` group.
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -IV)
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