Which of the following elements has the lowest melting point?
A) Titanium B) Sulphur C) Argon D) Zinc
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Answer:
argon
Explanation:
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C. Argon
Reason: Argon is monatomic – it exists as separate atoms. There are are van der Waals' forces between its atoms. The melting and boiling points of these elements are very low because: van der Waals' forces are very weak forces of attraction
Reason: Argon is monatomic – it exists as separate atoms. There are are van der Waals' forces between its atoms. The melting and boiling points of these elements are very low because: van der Waals' forces are very weak forces of attraction
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