Functional groups. In addition to carbon and hydrogen, hydrocarbons can also contain other elements. In fact, many common groups of atoms can occur within organic molecules, these groups of atoms are called functional groups. One good example is the hydroxyl functional group.
The Elder Scrolls V: Skyrim -- Dragonborn. Hjerim. Hjerim is the house that that player can purchase in Windhelm. It features prominently in the quest Blood on the Ice. The Cleanup addition removes the stone altar, bloody chest, and blood and bones on the floor that are found there during the quest. Location: Windhelm.
Activating the quest. As you travel through Skyrim, you might want to visit the south-west region of Riften. There, you should look for Froki's Shack. Finding it isn't easy, so check the map below. Enter the dwelling and you should see lots of trophies, an old man and a child.