(1) The amount of nitrogen in a larulaer is important
How many nitrogen atoms are there in the formula, NH4NO3

The answer is a) carbon-12

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.