Boiling point of hydrides of the 4th period is larger than _ ?
Correct answer: B. 3rd period
- A. 5th period
- B. 3rd period
- C. 6th period
- D. 7th period
Explanation
The boiling point of hydrides generally increases from top to bottom in a group. So, the boiling point of the 4th period is larger than the 1st, 2nd, and 3rd periods but smaller than the 5th, 6th, and 7th periods.
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About Hydrogen Bonding
Hydrogen bonding is the strong attraction between hydrogen attached to nitrogen, oxygen or fluorine and an electronegative atom in the same or another molecule. It explains unusual boiling points, viscosity, surface tension, water's properties and the difference between intermolecular and intramolecular hydrogen bonding.
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