SCIENCE: Periodic Table: Element, atomic number 86, symbol Rn?

Questions

What are the moufflon & bighorn?

What city are you in if you stroll in the piazza san marco & visit torcello, burano & murano?

What has no reflection, no shadow, & can't stand the smell of garlic?

What is added to the ice & water mixture in domestic ice cream makers in order to lower the temperature?

What is the only state with an official state ship & hero?