chemistry terms

What is an atom?

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

What is a molecule?

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

What are chemical bonds?

Chemical bonds are the forces that hold atoms together in a molecule, including ionic, covalent, and metallic bonds.

What is the periodic table?

The periodic table is a tabular arrangement of the chemical elements, organized by increasing atomic number.

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, meaning the mass of the reactants equals the mass of the products.