Question

what is hydrogengas??​

Answer 1

Answer:

Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula H₂. It is colorless, odorless, non-toxic, and highly combustible.

hii Armyy

Answer 2

Answer:

Hydrogen was discovered by Henry Cavendis in 1766, he obtained it by the reaction of dilute sulfuric acid with iron and was named flammable air. In 1883, Lavaschie named it hydrogen because it burns with oxygen to form water Greek:hydra water