Atoms, Elements, Molecules, Compounds, Mixtures FLASHCARD

Front

What is the basic building block of matter?

Back

An atom is the smallest particle that is known as the basic building block of matter.

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Front

What do you call a group of two or more atoms bonded together?

Back

A molecule is a group of two or more atoms bonded together.

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Front

What is an example of a compound?

Back

NaCl (sodium chloride) is an example of a compound.

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Front

What defines a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

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Front

What is a mixture?

Back

A mixture is a combination of two or more substances that can be physically separated.

Front

Can a mixture be homogeneous or heterogeneous?

Back

Yes, mixtures can be classified as homogeneous (uniform composition) or heterogeneous (distinct, separate components).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements chemically combined.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O, which consists of two hydrogen atoms and one oxygen atom.

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NGSS.MS-PS1-1

Front

What is the significance of the periodic table in chemistry?

Back

The periodic table organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.

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Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a molecule or compound.

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