If an aluminum atom has a # of 13, how many electrons in its m or otter shell

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces