properties of metals Flashcards
1
Q
why do metals look shiny?
A
strong reflection of light from their smooth surface
2
Q
why are metals malleable?
A
atoms on metals slide over each other
3
Q
how does it happen?
A
metal can be hammered without being shattered
4
Q
what is needed to melt metals?
A
heat energy
5
Q
why do metals melt because of heat energy?
A
atoms are joined up with strength
6
Q
what are metals at a room temperature?
A
solid
7
Q
what is mercury as a room temperature?
A
liquid
8
Q
what metals are magnetic?
A
only certain metals
9
Q
how can you make something magnetic?
A
alloys
10
Q
what are metal oxides?
A
base which means they react with salt and water