Structure & Bonding Summary

2. giant covalent structure made from carbon atoms which is incredibly hard (7)
4. a solid turns into a liquid at its _________ point (7)
5. an atom that has lost or gained an electron and become charged (3)
6. _________ theory, used to explain the properties of solids, liquids and gases (8)
8. a liquid turns into a gas at its _____________ point(7)
10. have no fixed shape or volume (5)
11. if an atom gains one or more electron it becomes a ________ ion (8)
13. giant ionic structures cannot do this when in a solid state but can do his when molten or dissolved in water
14. made up of many small reactive molecules that bond to each other to form long chains (8)
16. it takes a lot of this to break the many strong ionic bonds in a giant ionic lattice (6)
18. sharing electrons (8,7)
20. have a fixed shape and volume and cannot be compressed (6)
21. form of carbon having a large molecule consisting of a hollow cage of sixty or more atoms (10)
23. (5,7)
24. diagram used to show the electrons in bonding (3,3,5)
25. force of attraction between oppositely charge ions (8)

1. the force of attraction between the individual molecules in a covalent substance (14,6)
3. if an atom loses one or more electron it becomes a ________ ion (8)
7. two or more elements which are chemically combined (8)
9. a regular repeated three-dimensional arrangement of atoms, ions, or molecules in a metal or other crystalline solid (7)
10. giant covalent structure made from carbon atoms which can conduct electricity (8)
12. have a fixed volume but can flow and change their shape (7)
13. metals form these (8)
15. mobile electrons which can move about (11)
17. when a gas turns back to a liquid (8)
19. a mixture of two or more elements, at least one of which is a metal (5)
22. ionic bonding occurs between metals and ? (3,6)