AQA Chemistry 2.1 Structure and bonding

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  • Created on: 14-05-14 16:42
What is a compound?
Substances in which two or more elements are chemically combined
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What are positively charged ions?
Atoms that have lost electrons (and vice versa for negative ions)
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Which group is chemically unreactive?
Group 0 (noble gases)
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What is an ionic compound?
A giant structure of ions held together by strong electrostatic forces between oppositely charged ions
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What are covalent bonds?
Strong bonds formed when atoms share electrons
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What is the structure of metals?
Giant structures of atoms arranged in regular layers
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What are two examples of giant covalent structures?
Diamond and silicon dioxide
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What and where are the delocalised electrons?
They are electrons that are in the outer shell that are free to move throughout the entire structure
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Other cards in this set

Card 2

Front

What are positively charged ions?

Back

Atoms that have lost electrons (and vice versa for negative ions)

Card 3

Front

Which group is chemically unreactive?

Back

Preview of the front of card 3

Card 4

Front

What is an ionic compound?

Back

Preview of the front of card 4

Card 5

Front

What are covalent bonds?

Back

Preview of the front of card 5
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