Which HTML tag has no end tag?

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2. What are the basic HTML tags?
3. What is &# in HTML?
4. What is DIV and SPAN in HTML?
5. What is the difference between BR tag and HR tag?
6. Why DIV tag is used in HTML?
7. What is span in HTML?
8. Why SPAN tag is used in HTML?
9. What do HR executives do?
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Tags

1. #xhtml
2. #since
3. #start
4. #elements
5. #empty
6. #input
7. #param
8. #called
9. #these
10. #content
11. #strict