'O God' in the Bible

And the messenger of Jehovah spake to Elijah the Tishbite, Arise, go up to the meeting of the messengers of the king of Shomeron, and speak to them, Is it because there is no God in Israel ye go to seek in Baal the fly god of Ekron?

And they will say to him, A man came up to our meeting, and he will say to us, Go, turn back to the king who sent you, and speak to him, Thus said Jehovah, Is it because there is no God in Israel thou sentest to seek in Baal the fly god of Ekron? for this the bed where thou wentest up there, thou shalt not come down from it, for dying, thou shalt die.

And he will speak to him, Thus said Jehovah, Because thou didst send messengers to seek in Baal the fly god of Ekron, Is it because there is no God. in Israel to seek in his word? for this, the bed where thou wentest up there, thou shalt not come down from it, for dying, thou shalt die.

And he will turn back to the man of God, he and all his camp; and he will come and stand before him, and say, Behold now, I knew that there is no God in all the earth but in Israel: and now take now a blessing from thy servant