Question

Definition of nitrogen?​

Answer 1

Answer:

Nitrogen is the chemical element with the symbol N and atomic number 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772. ... Nitrogen is the lightest member of group 15 of the periodic table, often called the pnictogens.

Explanation:

Answer 2

Answer:)):)):))

a nonmetallic chemical element that under standard conditions is a colorless, odorless, inert gas, that constitutes 78 percent of the Earth's atmosphere, and that is used especially in the industrial synthesis of ammonia, as a component of inert atmospheres, and in liquid form as a refrigerant.....

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