Firefox next ?
FF is my non-Chrome browser of choice, but it has some nasty habits. I like to have 6 or 7 tabs open at a time, and just leave the browser there. Even with adblock/noscript, after a few hours some tabs (Facebook, BBC) just start to use a little more CPU - and a little more - and a little more,. until it's actually quicker to power cycle and restart (3 minutes) than wait for whatever it is to stop (over 10 minutes once ... which I know because the clock freezes).
This is under Linux Mint, too ....