chemistry terms

What is an atom?

An atom is the basic unit of a chemical element, consisting of protons, neutrons, and electrons.

What is a molecule?

A molecule is a group of two or more atoms bonded together by chemical forces.

What are chemical reactions?

Chemical reactions are processes in which substances transform into new substances with different properties.

What is the periodic table?

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

What is pH?

pH is a measure of the acidity or basicity of an aqueous solution, ranging from 0 (acidic) to 14 (basic).