Atoms, compounds, elements (Science) Flashcards

Year 8 (9 cards)

1
Q

What is an element?

A

A pure substance that can not be broken down.

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2
Q

What is a mixture?

A

Where two or more elements or compounds are present without being chemically bonded.

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3
Q

What is in a molecule?

A

Two or more of the same or different

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4
Q

What is the smallest unit of an element that retains its properties?

A

Atom

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5
Q

True or False: A compound is made up of two or more different types of atoms bonded together.

A

True

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6
Q

Fill in the blank: The chemical formula for water is ____.

A

H2O

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7
Q

What term describes a substance that cannot be broken down into simpler substances?

A

Element

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8
Q

True or False: The periodic table is arranged by increasing atomic mass.

A

False

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9
Q

What is a compound?

A

A substance that is made from more than one element that is chemically bonded.

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