Answer: Each pair of shared electrons is a covalent bond which can be represented by a dash.
Explanation:
In a Lewis dot structure, the central atom can share electrons through bonds with the surrounding atoms, and this can look like a dash between the atoms.
The answer would be 1,3,1,3
I believe the correct answer is C. <span>Zn + CuCl2 —> ZnCl2 + Cu</span>