I know that Ununhexium is in period 7, group 16. What evidence would be able to support this?

Here is a web site for an on-line periodic table. Look for Uun, element #116. That will give you the info you need.
http://www.webelements.com/

To find evidence to support that Ununhexium (Uuh) is in period 7, group 16, you can use the provided online periodic table.

1. Open the web page: Go to the web address "http://www.webelements.com/" using a web browser. This website provides an online periodic table.

2. Search for Ununhexium (Uuh): On the web page, look for a search bar, usually located at the top of the page. Type "Uuh" (the chemical symbol for Ununhexium) into the search bar and press Enter or click the search button.

3. Locate the element: The search results should display information about Ununhexium. Look for the element number, which will most likely be 116. This indicates that Ununhexium is the 116th element in the periodic table.

4. Verify the period: In the information provided for Ununhexium, look for the period number. It should state that Ununhexium is located in period 7. Confirm that the period number matches what you mentioned in your question.

5. Verify the group: Also, look for the group number specified in the information on Ununhexium. It should indicate that Ununhexium is in group 16. Make sure the group number matches what was mentioned in your question.

By following these steps on the web page provided, you should find evidence supporting that Ununhexium is indeed in period 7, group 16.