All the Following Elements Exist as Diatomic Gases at Room

question 21

Multiple Choice

All the following elements exist as diatomic gases at room temperature and atmospheric pressure except

• A) H.
• B) Ar.
• C) N.
• D) Cl.
• E) O.

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Definitions:

Mineral-Based Lubricants

Lubricants derived from mineral oils used to reduce friction and wear in machinery and engines.

Lubricity

The property of a substance that reduces friction between surfaces in motion.

Boil Temperatures

The temperatures at which liquids change to gases, varying with the atmospheric pressure and the chemical composition of the liquid.

Ring Gear Tooth

A tooth on the outer edge of a ring gear, engaged by the pinion gear to transmit torque in a differential.