""" 11.The name of P4N5 traphosphorus pentanitride 12.A chemical bond formed when two atoms share four electrons is a (Double) bond; it is best described as (covalent). 13.A coordinate covalent bond is one in which both electrons come from the(same)atom. 14.Solution an be colored or (Colorless). 15.In a mixture of 95 mL water , 10 mL alcohol, and 20 mL acetone the solvent(s) is(are) (Water). 16.Liquids are immiscible is they have (Different)chemical properties. 17.Hydrates have ionic solids with(water), for example MxOy ∙ zH2O 18.Solubility of ionic solids (Usually)increases with temperature. 19.The solubility of gases in liquids generally *Decreses) as temperature increases. 20.The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen increases the solubility would (Increase). """