Matter Matters

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It is represented on the periodic table.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. For example, salt (NaCl) is a compound.

Front

What is a mixture?

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A mixture is a combination of two or more substances that are not chemically bonded. Mixtures can be homogeneous or heterogeneous.

Front

What is a homogeneous mixture?

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A homogeneous mixture is a mixture in which the components are evenly distributed and not easily distinguishable, like milk.

Front

What is a heterogeneous mixture?

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A heterogeneous mixture is a mixture where the components are not evenly distributed and can be easily distinguished, like a salad.

Front

What is a solution?

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A solution is a type of homogeneous mixture where one substance (the solute) is dissolved in another (the solvent), such as sugar in water.

Front

What can be found on the periodic table?

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Elements are found on the periodic table, each represented by a unique symbol.

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What is the difference between an element and a compound?

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An element is a single type of atom, while a compound is made up of two or more different types of atoms chemically bonded together.

Front

What is the chemical formula for salt?

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The chemical formula for salt is NaCl, which indicates it is a compound made of sodium (Na) and chlorine (Cl).

Front

What are molecules?

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Molecules are groups of two or more atoms bonded together. They can be made of the same or different elements.