Reactions of metals and metal compounds
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What compound will be made if magnesium is reacted with oxygen?
Magnesium oxide
Are metal oxides basic or acidic?
Metal oxides form bases.
What do you call a base that will dissolve in water?
An alkali
Describe the bonding in a metal
“Free electrons” from the outer shells of the metal atoms hold the atoms together in a regular structure.
What are the properties that all metals have
• Shiny • Malleable • Ductile • Good conductor of electricity • good conductor of heat
Why do metals conduct electricity?
They have free electrons which can carry the current through the metal .
What is the name of the metallic property that alows metals to be drawn into wires?
Ductile
What is a mixture of metals called?
An alloy
What does “malleable” mean?
It can be pressed or hammered into shape.
When Sodium reacts, how many electrons does it loose?
It looses 1 electron