What statement describes a chemical property of hydrogen gas?

Answer 1

Hydrogen is an active element that is very active chemically. It forms covalent bonds with many other elements, and even with itself to form a diatomic molecule. Because of this, hydrogen atoms are rarely found - only the diatomic molecule. Hydrogen bonded to nonmetallic elements creates a substance know as an acid.

Answer 2

1)Hydrogen reacts with oxygen to form water. This occurs very slowly except in the presence of a catalyst or spark. 2)Hydrogen also reacts with the halogens to form hydrogen halides, such as hydrogen bromide. 3&4)Hydrogen also reacts with the halides and oxides of many metals to produce the free metal. For example hydrogen reacts with copper chloride to produce hydrogen chloride and copper, and hydrogen reacts with silver oxide to produce water and silver.

2H2 + O2 --> 2H2O

H2 + Br2 --> 2HBr

H2 + CuCl2 --> 2HCl + Cu

H2 + Ag2O --> H2O + 2Ag

Answer 3

A chemical property of hydrogen gas is its reactivity, particularly its ability to form bonds with other elements to create compounds. For example, hydrogen can react with oxygen to form water, showing its chemical property of combining with other elements to create new substances.

Answer 4

density, boiling point colour odour and shape are all physical properties and characteristics of hydrogen.

Answer 5

I know one is that it's reactive.

Answer 6

It is combustible

Answer 7

hydrogen gas burns in air.