Elements, Mixtures and Compounds

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What is an element?
A group of atoms which are all the same type. Elements are listed in the periodic table. All elements have a symbol (one or more letters). Atoms of elements can exist as single atoms or bonded (joined) with other atoms.
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What are some examples of elements?
Helium (He) Oxygen (O2) Sulphur (S8)
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What is a compound?
A group of atoms bonded (joined) together but the atoms are from different elements.
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What are some examples of compounds?
Methane (CH4) Water (H20) Carbon Dioxide (CO2)
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What is a mixture?
A group of atoms which are from elements or compounds, but are not bonded (joined) together.
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What are some examples of a mixture?
Air, Sea water
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Card 2

Front

What are some examples of elements?

Back

Helium (He) Oxygen (O2) Sulphur (S8)

Card 3

Front

What is a compound?

Back

Preview of the front of card 3

Card 4

Front

What are some examples of compounds?

Back

Preview of the front of card 4

Card 5

Front

What is a mixture?

Back

Preview of the front of card 5
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