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MIDDLE SCHOOL

Physical Science

Chemical Reactions

Chemical Interactions

Chemical Bond
01:29
Chemical Bond

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

Video Duration: 1 minute and 29 seconds
Chemistry of Compounds
01:26
Chemistry of Compounds

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

Video Duration: 1 minute and 26 seconds
Chemical Formula
01:18
Chemical Formula

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

Video Duration: 1 minute and 18 seconds
Ionic Bond
01:23
Ionic Bond

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

Video Duration: 1 minute and 23 seconds

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Solutions, Acids, and Bases

Solution, Solute and Solvent
01:21
Solution, Solute and Solvent

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

Video Duration: 1 minute and 21 seconds
Properties of Solutions
01:19
Properties of Solutions

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

Video Duration: 1 minute and 19 seconds
Solubility
01:24
Solubility

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

Video Duration: 1 minute and 24 seconds
Saturations
01:28
Saturations

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

Video Duration: 1 minute and 28 seconds