Best Answer: F2 and Cl2 are diatomic molecules in which the atoms are bonded by single bonds. In O2 molecule, two atoms of oxygen are bonded by double bonds. As double bonds are stronger than single bonds, common sense says that O2 has the strongest bonds of them all. Hope that helps!
While lupus is not a form of cancer, or vice versa, some treatments like chemo are used to fight both. In general, lupus patients don't get [as high doses], but it's certainly not fun to get these chemotherapies, Merrill said of treatments for lupus compared to the same chemo drugs being used to fight cancer.
1 People with lupus develop autoimmune antibodies that can attach to tissues throughout the body. The joints, lungs, blood cells, nerves, and kidneys are commonly affected in lupus. Treatment often requires daily oral prednisone, a steroid that reduces immune system function.  Inflammatory bowel disease (IBD).