What Is the Correct Formula of Ammonia

question 50

Multiple Choice

What is the correct formula of ammonia

• A) NH₂
• B) NH
• C) NH₃
• D) AH₃
• E) N₂H₄

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Definitions:

Engraving

The process of incising a design in hard material, often a metal plate (usually copper); also, the print or impression made from such a plate.

Vanishing Point

A point in the perspective drawing at which parallel lines receding from an observer seem to converge and at which they would meet if extended.

Moveable Type

A system of printing and typography that uses movable components to reproduce the elements of a document.

Manuscript Illumination

The art of decorating the text and borders of manuscripts with gold, silver, and vibrant colors, common in medieval times.