Question

What Is Hydrogen And Nitrogen​

Answer 1

Answer:

They are elements

Explanation:

please follow

Answer 2

Answer:

Explanation:

Hydrogen,

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.

Nitrogen,

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