Topic 7 - Properties of substances

Do all metals, and carbon in the form of graphite, conduct electricity?

Yes
Do non-metals elements conduct electricity?

No
Do covalent compounds conduct electricity?

No
In ionic compounds the metal ions are ________ charged?

postively
In ionic compounds the non-metal ions are ______ charged?

negatively
When do ionic compounds conduct electricity?

When molten or in solution
Why can ionic compounds conduct electricty when molten or in solution but not solid?

As the ions are now free to move
Covalent structures have very ______ melting and boiling points?

high
Covalent compounds like diamonds or sand have very _____ bonds?

strong

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Card Set

Topic 7 - Properties of substances

Description

Standard Grade Chemistry - Topic 7 - Properties of Substances

Updated

2011-03-16T18:23:05Z

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