What is a compound?

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A substance formed when two or more chemical elements are chemically bonded together.

When something only contains one type of atom. This can be a single atom or a molecule.

When there is more than one atom of molecule together, but they are not chemically bonded to each other.

A compound made from one atom of carbon and four atoms of hydrogen.

A chemical element. It is the second smallest atom in the world.

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What is helium?

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A chemical element. It is the second smallest atom in the world.

A substance formed when two or more chemical elements are chemically bonded together.

When there is more than one atom of molecule together, but they are not chemically bonded to each other.

When something only contains one type of atom. This can be a single atom or a molecule.

A compound made from one atom of carbon and four atoms of hydrogen.

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What is methane?

Choose 1 answer

A compound made from one atom of carbon and four atoms of hydrogen.

A substance formed when two or more chemical elements are chemically bonded together.

A chemical element. It is the second smallest atom in the world.

When something only contains one type of atom. This can be a single atom or a molecule.

When there is more than one atom of molecule together, but they are not chemically bonded to each other.

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What is an element?

Choose 1 answer

A substance formed when two or more chemical elements are chemically bonded together.

A compound made from one atom of carbon and four atoms of hydrogen.

When there is more than one atom of molecule together, but they are not chemically bonded to each other.

A chemical element. It is the second smallest atom in the world.

When something only contains one type of atom. This can be a single atom or a molecule.

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What is a mixture?

Choose 1 answer

When there is more than one atom of molecule together, but they are not chemically bonded to each other.

When something only contains one type of atom. This can be a single atom or a molecule.

A compound made from one atom of carbon and four atoms of hydrogen.

A chemical element. It is the second smallest atom in the world.

A substance formed when two or more chemical elements are chemically bonded together.

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Answer incorrect

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