For the next six to eight weeks -- or until you're free of pain -- avoid the activity that caused the stress fracture. If you exercise again too soon, you could delay the healing process. You could even cause damage that may never heal properly. When you are ready to return to the activity, do it slowly. If you rush back in, you could re-injure yourself. Very severe stress fractures that won't heal on their own may require surgery.
Best Answer: Krypton is a nonmetal belonging to group 8. All the elements in this group are essentially non reactive and are called the noble gases.est Answer: Krypton is a nonmetal belonging to group 8. All the elements in this group are essentially non reactive and are called the noble gases.
Under normal conditions krypton is colourless, odourless, fairly expensive gas. Solid krypton is a white crystalline substance with a face-centered cubic structure which is common to all the rare gases. Krypton difluoride, KrF 2, has been prepared in gram quantities and can be made by several methods.