Because attraction of water molecules around an ion depends on. that ion's density of charge, smaller ions (and thus ions of greater ionic. potenti. al) attract more water molecules. The result is the. inverse. relationship. between non-hydrated radius and hydrated radius shown below.
[v. 5] In Hebron he reigned over Judah seven years and six months: and in Jerusalem he reigned thirty and three years over all Israel and Judah.   This would have made David 37 when he became king of all Israel. Do not get confused between 'Judah' and 'Israel': they are not the same.
By Lisa Katz. David, the son of Jesse of Bethlehem, of the tribe of Judah, was the most brilliant leader of ancient Israel. When David was just a shepherd boy, he was called to play music for King Saul in order to cure his melancholy.David also gained fame as a youth when he killed the Philistine Goliath (Galyat) with his slingshot.he northern tribes of Israel voluntarily submitted to David. David was the first king of a united Israel. He founded a dynasty, centered in Jerusalem, that remained in power for about 500 years.