nitrogen

nitrógeno

Gas sin color ni olor que constituye la mayor parte del aire.

En inglés sencillo: A gas with no color or smell that makes up most of the air around us.

• Most of the air is nitrogen.
• Plants need nitrogen to grow.
• The laboratory stores samples in liquid nitrogen.

Expresiones frecuentes: liquid nitrogen, nitrogen gas, nitrogen compounds

átomo de nitrógeno, isótopo de nitrógeno

Un átomo de nitrógeno o una de sus variantes, con distinto número de neutrones.

En inglés sencillo: One atom or particular form of the chemical element that makes up most of the air.

• This nitrogen is bonded to two carbons.
• The two nitrogens occupy opposite positions in the ring.
• Which nitrogen in the molecule carries the extra hydrogen?

Expresiones frecuentes: ring nitrogen, labeled nitrogen, nitrogen atom