Chemical Reactions

Chemical bonds are the forces that hold atoms together in molecules and compounds. Atoms bond with one another to achieve a stable electron arrangemen

A chemical compound is a substance made up of two or more different elements that are chemically bonded together. When elements combine to form compou

A subscript (the small number after a chemical symbol) shows how many atoms of that element are in a compound molecule.Example: CO₂ represents one car

Cations are positively charged ions formed when an atom loses one or more electrons (usually metals).Example: Sodium (Na) loses one electron to form N

Science and Engineering Practices (SEP): Developing and Using ModelsScientists create models to demonstrate how ionic compounds form when atoms transf

Science and Engineering Practices (SEP): Developing and Using ModelsScientists use models of covalent bonds to demonstrate how atoms share electrons a

A solution is a homogeneous mixture of two or more substances, meaning its composition is the same throughout. Solutions form when a solute dissolves

A solution is a homogeneous mixture in which a solute dissolves in a solvent, resulting in a uniform composition. The properties of solutions determin

Solubility is the ability of a substance (solute) to dissolve in a liquid (solvent) to form a homogeneous solution. Various factors influence solubili

Saturation refers to the point at which a solution can no longer dissolve any more solute at a given temperature and pressure. When a solution reaches

Concentration refers to the amount of solute dissolved in a given quantity of solvent. It determines how strong or weak a solution is. A highly concen

Acids and bases are two important substances affecting chemical reactions and everyday materials. Acids taste sour, react with metals, and release hyd