Answer:
x
Explanation:
becaue neutron equal to mass num -atomic num
A metallic bond is a bond between two metals or cations. In metallic bonding, the electrons are shared between the positive ions. The electrons move around between atoms. This is what allows objects with metallic bonds to be malleable and able to conduct electricity.
Crystal system
Hardness
Tenacity or Toughness
What does the lab say because then i can help :)