Question

The following are example of elements EXCEPT

A. Ammonia
B.Francium
C.Nitrogen
D.Yttrium

Answer 1

The following are examples of elements except for Ammonia ($NH_{3}$)

Explanation:

• Elements are pure substances composed of a single atom, whereas compounds are formed by two or more elements that are in fixed proportions chemically.
• Ammonia ($NH_{3}$) is a compound of nitrogen and hydrogen.
• It is a colorless gas with a pungent odor.
• Francium is a chemical element with a symbol $Fr$ and atomic number of $87$.
• Nitrogen is a chemical element with a symbol $N$ and atomic number of $7$.
• Yttrium is also a chemical element with a symbol $Y$ and atomic number of $39$.