Elemental bromine is a fuming red-brown liquid at room temperature, corrosive and toxic, with properties between those of chlorine and iodine.he diatomic element Br 2 does not occur naturally. Instead, bromine exists exclusively as bromide salts in diffuse amounts in crustal rock. Owing to leaching, bromide salts have accumulated in sea water at 65 parts per million (ppm), which is less than chloride.
As always, follow proper cooking instructions when preparing any meat to kill any potentially harmful bacteria. As long as you have your refrigerator at a reasonable temperature, your roast beef should be fine through the weekend at least. There's no reason you can't serve it hot if you want. Reheat it with some broth or just slice it and have it cold on a salad or in a sandwich.
Tips. 1  How long does cooked ground beef last in the fridge or freezer? 2  To maximize the shelf life of cooked ground beef for safety and quality, refrigerate the ground beef in shallow airtight containers or wrap tightly with heavy-duty aluminum foil or plastic wrap. 3  Properly stored, cooked ground beef will last for 3 to 4 days in the refrigerator.