Question

Which of the following solid substances contains positive ions immersed in a sea of

mobile electrons?______
a) O2 b) Cu c) CuO d) SiO2

Answer 1

Cu

Step-by-step explanation:

In metallic bonds,the valence electrons from the s and p

orbitals of the interacting metal atoms delocalise i.e,

instead of orbiting their respective metal atoms, they

form a sea of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions.

Answer 2

That will be letter B which is Cu