Who was the last king of Israel?

It was King Hosea. It is believed that he began to rule around 731 BC and ruled for about 9 years. After which his kingdom was conquered by the Assyrian troops. In particular, this was done by the Assyrian king Sargon II. He literally destroyed Samaria (the capital of the Kingdom of Israel). Although earlier Shalmaneser V conquered the city and imposed tribute on the entire population. Hosea agreed to pay tribute to him and recognized him as the ruler. Then, after the departure of the Assyrians, he revolted. As a result, he ran into the wrath of the new Assyrian king.