'O God' in the Bible

But the agent of LORD said to Elijah the Tishbite, Arise, go up to meet the messengers of the king of Samaria, and say to them, Is it because there is no God in Israel that ye go to inquire of Baal-zebub, the god of Ekron?

And they said to him, There came up a man to meet us, and said to us, Go, turn again to the king that sent you, and say to him, Thus says LORD, Is it because there is no God in Israel that thou send to inquire of Baal-zebub, the go

And he said to him, Thus says LORD, Inasmuch as thou have sent messengers to inquire of Baal-zebub, the god of Ekron, is it because there is no God in Israel to inquire of his word? Therefore thou shall not come down from the bed w

And he returned to the man of God, he and all his company, and came, and stood before him. And he said, Behold, now I know that there is no God in all the earth, but in Israel. Now therefore, I pray thee, take a present from thy se

and have cast their gods into the fire, for they were no gods, but the work of men's hands, wood and stone. Therefore they have destroyed them.