Tagged: The elements

Double substitution reactions 0

The simple and double substitution reactions

The substitution reactions are the reactions which depend on the activity of metals, where the element which is more active substitutes (replaces) the less active one in another compound, The activity of metals can...

Sodium chloride 0

What are the types and properties of salts?

Salts are ionic compounds that result from the neutralization reaction of an acid and a base, they are composed due to the combination of a positive ion (or a positive atomic group) with a negative...

Nitrogen gas 0

The importance and uses of nitrogen gas

Nitrogen gas is used in small amounts to fill some types of lamps, In incandescent light bulbs as an inexpensive alternative to argon, and it is used to store the petroleum liquified explosive and...

Nitrogen gas properties 0

What are the properties of nitrogen gas?

Nitrogen gas (N2) is mainly found in the atmosphere, it is also found in the Earth’s crust in the form of nitrates, it is found in the organic form in the living or dead...

Properties of carbon dioxide gas 0

The properties of carbon dioxide gas

Carbon dioxide gas is produced from the breathing of humans and animals, It is produced from the combustion of coal or hydrocarbons, the fermentation of liquids, and  It is a colorless, tasteless and odorless...