Question

the following is compounds except?

a.Ammonia

b.Arsenic

c.Methane

d.Oxide​

Answer 1

Answer is arsenic ok mark branlist

Answer 2

Except (b) Arsenic all the following are compounds.

Explanation:

• When two or more elements of same type or different type combines together through chemical bonding, it yields a compound.
• When we apply this concept to the given option what do we find?
• The result is as follows:

a. Ammonia:

• The chemical formula for ammonia is $NH_{3}$.
• From the formula, it is clear that, ammonia has one atom of nitrogen and three atoms of hydrogen.
• Thus, it is a compound.

b. Arsenic:

• The chemical symbol for arsenic is As.
• Arsenic is an element.

c. Methane:

• The chemical formula for methane is $CH_{4}$.
• From the formula, it is clear that, methane has one atom of carbon and four atoms of hydrogen.
• Thus, it is a compound.

d. Oxide:

• Oxides are also compound as they are formed when oxygen combines with elements such as iron, carbon etc.

Conclusion:

• From the above data it is inferred that, all substances given in the options are compound except Arsenic.
• Arsenic is an element.
• Thus option (b) Arsenic is the correct option.