Multiple choice

An element 'X' is a silver-gray solid with a density of 0.86 g/cm3 and melting point of 630C. The element exhibits vigorous reaction with cold water. In which group is the element likely to be found in the periodic table?

  1. Group 1

  2. Group 2

  3. Group 14

  4. Group 17

  5. Group 18
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Elements of group 1 are alkali metals. They are lustrous solids with low density and low melting points. They react vigorously with cold water to form alkalis. Hence, option (1) is the correct answer.

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