METAL Flashcards
1
Q
describe the structure of metals
A
atoms are densely arranged in a sea of electrons and held together by metallic bonds
2
Q
why are metals strong?
A
densely packed atoms
3
Q
why are metals malleable?
A
atoms in the sea of electrons can be spatially rearranged without changing the identity of a metal
4
Q
why are metals good conductors of heat and electricity?
A
sea of electrons; electrons rearrange so that they can transfer energy and form currents.
5
Q
why select aluminum and iron?
A
- cheaper
- stable