Question

A very reactive non-metal which does not occur in nature in the free state and is present in the bones, teeth and nervous tissue of animals is:

• A. nitrogen
• B. chlorine
• C. phosphorus
• D. sulphur

Answer 1

Answer: (C)

phosphorus

Phosphorous is present in our teeth, bones, and nervous tissue. Phosphorus is found in two allotropic forms, white phosphorus, and red phosphorus, due to high reactivity white phosphorus is never found in a free state on Earth.