Summary
Summary AQA GCSE Chemistry- Bonding revision
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GCSE revision on ionic, covalent and metallic bonding as well as their structures and properties.
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Some examples from this set of practice questions
1.
what is ionic bonding ?
Answer: Ionic bonding is when a metal gives its electrons to non-metal to complete its outer shell.
2.
What are the properties of ionic compounds?
Answer: -High melting and boiling, -Don\'t conduct electricity as solids but as liquid they do.
3.
What is covalent bonding?
Answer: The share of electrons between non-metals
4.
What are the properties of covalent bonding?
Answer: -Low melting and boiling, -Attraction are very weak, -Gases/liquids at room temp, -As molecule gets bigger, strength of intermolecular force increases, -Some soluble and some are not.
5.
What is metallic bonding?
Answer: Electrostatic attraction between metal ions and a sea of delocalised electrons.
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