Which is difference between melting and boiling point of zero group elements

Which is difference between melting and boiling point of zero group elements

Options

(a) Melting point is higher than boiling point
(b) Boiling point is higher than melting point
(c) Both have same melting point and boiling point
(d) Small difference between melting and boiling points

Correct Answer:

Melting point is higher than boiling point

Explanation:

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