Elements, Compounds, and Mixtures

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

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What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. For example, water (H2O) is a compound made of hydrogen and oxygen.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties. For example, salad is a mixture of different vegetables.

Front

What does the symbol 'Au' represent?

Back

The symbol 'Au' represents the element Gold.

Front

What does the symbol 'H' represent?

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The symbol 'H' represents the element Hydrogen.

Front

What is the difference between an element and a compound?

Back

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

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Can a mixture be separated into its components?

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Yes, a mixture can be separated into its components by physical means, such as filtration or evaporation.

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What is an example of a compound?

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An example of a compound is Calcium Carbonate (CaCO3), which is made up of calcium, carbon, and oxygen.

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What is an example of a mixture?

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An example of a mixture is air, which contains various gases like nitrogen, oxygen, and carbon dioxide.

Front

What is a molecule?

Back

A molecule is the smallest unit of a chemical compound that retains its chemical properties, consisting of two or more atoms bonded together.