N=14
H= 1(5)= 5
C=12(2)=24
O=16(2)=32
= 75
Particles that are close together and locked in a place means its
a solid
Answer:
The smallest unit of a compound is a molecule, which is made up of atoms held together by bonds.
Pieces of copper, silver and gold are dropped into a solution of iron sulphate. The piece that will get a coating of copper is. ... Therefore, none of the three metals can displace iron from its salt solution. Hence, we observe that no reaction takes place and none of the pieces get coated.
