Why is it called Rhode Island if it isn't an island?

Related questions

1. Why was Rhode Island named?
2. Is an avocado a fruit or a vegetable?
3. What is Rhode Island's full name?
4. What is the meaning of the Rhode Island flag?
5. What is the poorest city in Rhode Island?
6. What are three interesting facts about Rhode Island?
7. Which is smaller Rhode Island or Delaware?
8. Was Bill Clinton a Rhode Scholar?
9. Was there slavery in Rhode Island?
10. How dangerous is Rhode Island?

Tags

1. #plantations
2. #charter
3. #mainland
4. #shortened
5. #rhode
6. #despite
7. #charles
8. #english
9. #became
10. #state
11. #mouthful
12. #granted
13. #commonly
14. #providence
15. #because
16. #being
17. #island
18. #royal
19. #colony