With other atoms, fluorine forms either polar covalent bonds or ionic bonds. Most frequently, covalent bonds involving fluorine atoms are single bonds, although at least two examples of a higher order bond exist.Fluoride may act as a bridging ligand between two metals in some complex molecules.ith other atoms, fluorine forms either polar covalent bonds or ionic bonds. Most frequently, covalent bonds involving fluorine atoms are single bonds, although at least two examples of a higher order bond exist. Fluoride may act as a bridging ligand between two metals in some complex molecules.
Men have six apparatuses that they use in artistic gymnastics. The pommel horse, vaulting table, rings, parallel bars, horizontal bar and floor are all considered events and apparatus. Women only have four apparatuses in artistic gymnastics -- the vaulting table, uneven bars, balance beam and the floor.
1 Testes: The male reproductive glands that produce sperm and sex hormones. 2  Thymus: A gland in the upper chest that helps develop the body's immune system early in life.  Thyroid: A butterfly-shaped gland in the front of the neck that controls metabolism.