Open the next page from your browsing history in the current tab = Alt + Right arrow

Close the current tab = Ctrl + w or Ctrl + F4

Close the current window = Ctrl + Shift + w or Alt + F4

Minimize the current window = Alt + Space then n

Source: https://support.google.com/chrome/answer/157179?hl=en&co=GENIE.Platform%3DDesktop