P: Good conductor of heat and electricity - R: the delocalized electrons are
free to move around the structure
P: High melting and boiling points - R: the bonds in metals are very strong
P: Ductile (can be stretched and squashed) - R: because the electrons are free to move, the atoms can slide over each other.
P: Malleable (can be hammered into shape) - R: the bonds in metal don't break easily
I only knwi one way which is if water evaporates from a mixture
The atomic theory changed because as time passed by our technolgy has been improving our ability to find answers to these theories.
Answer:
Option A.
Explanation:
Probability is expressed in percent, fraction or in whole numbers