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Learn about substances, compounds, mixtures, and solutions in this detailed guide. Explore the properties and compositions of pure substances, compounds, and various types of mixtures such as homogeneous and heterogeneous mixtures. Gain insight into solutions, solvents, solutes, colloids, and suspensions. Enhance your knowledge of matter and how different elements and compounds interact to form unique substances.
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Substances • Pure Substance- Matter that has the same composition and properties throughout. • (made of same atoms or molecules) • Compound- Substance whose smallest unit is made up of atoms of more than one element bonded together. • Often have properties that are different from the elements that make them up.
Mixtures • Mixture- When two or more substances (elements or compounds) come together but don’t combine to make a new substance. • Proportions of the substances in a mixture can be changed without changing the identity of the mixture.
Mixtures • Homogeneous- Same throughout. Cannot see the different parts. • Ex: Brass, sweet tea, kool-aid • Heterogeneous- Has larger parts that are different from each other. • Ex: Pepperoni and mushroom Pizza, toy box filled with toys
Solutions • Well-mixed mixture that contains a solvent and a solute. • Solvent- the part of the solution that represents the majority. It dissolves the solute. • Solute- smaller amount, dissolved by solvent.
Solutions • Colloid- a mixture with tiny particles undissolved. • Ex- milk • Suspension- mixture with larger particles undissolved • Ex- snow globe or pulpy orange juice
