Please be specific. Which umbrella?
Mg+Cl2--> MgCl2
Magnesium plus chlorine equals magnesium chloride
Their valence electrons don't give them the ability to bond, they are also not in need to any electrons, since they won't get an octet soon.
The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water.
