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CGP GCSE Chem > Compounds are Chemically Bonded > Flashcards

Compounds are Chemically Bonded Flashcards

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1
Q

What is a compound?

A

A substance that is made of two or more different elements, which are chemically joined together

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2
Q

What is carbon dioxide formed from?

A

A chemical reaction

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3
Q

How is a molecule of carbon dioxide formed?

A

Two oxygen atoms,s react with one carbon atoms

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4
Q

What is very difficult to do?

A

separate the two original elements out again

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5
Q

What are the properties of a compound often like?

A

Totally different from the properties of the original elements

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6
Q

What happens if a mixture of iron and sulphur is heated?

A

The iron and sulphur atoms react to form the compound iron sulphide

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CGP GCSE Chem (233 decks)

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