What causes water to from droplets : 1 mass 2 density 3 buoyancy or 4 surface tension

How many ions that have a +1 charge will bond with an ion that has a -2 charge

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom