Elemental Phosphorus Is a Molecular Solid Consisting of P₄ Molecules

question 36

Multiple Choice

Elemental phosphorus is a molecular solid consisting of P₄ molecules.It melts at 44°C.What is the principal force present in P₄(s) ?

• A) Dipole forces
• B) Hydrogen bonding
• C) Dispersion forces
• D) Metallic bonding
• E) Ionic bonding

---

Definitions:

Waste Water

Water that has been used and contaminated, making it unsuitable for further use without treatment.

Machinery

Equipment consisting of one or more machines that perform specific tasks, usually within an industrial or manufacturing process.

Depreciation

The process of allocating the cost of tangible assets over their useful lives, reflecting the decrease in value over time.

User Cost

Refers to the cost associated with the consumption of a good which decreases its remaining value for future use.