chemistry terms

What is an atom?

An atom is the basic unit of matter, consisting of a nucleus surrounded by electrons.

What is the periodic table?

The periodic table is a tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

What is a chemical bond?

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.

What is the difference between an ionic bond and a covalent bond?

An ionic bond is formed when electrons are transferred from one atom to another, while a covalent bond is formed when two atoms share electrons.

What is the law of conservation of mass?

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction, it is conserved.