The repeating periodicity of the blocks of 2, 6, 10, and 14 elements within sections of the periodic table arises naturally from the total number of electrons that occupy a complete set of s, p, d and f atomic orbitals, respectively, although for higher values of the quantum number n, particularly when the atom in question bears a positive charge, the energies of certain sub-shells become very similar and so the order in which they are said to be populated by electrons (e.g. Cr ...
Bursitis (sore toes) A bursa is a small fluid-filled sac located near a joint, bone or tendon which protects the area from friction. Bursitis is an inflammation of the bursa, and commonly occurs in the little toe. If your toe feels 'squidgy' and is causing you pain, bursitis may be the cause.
Trauma, disease and injuries are the most likely causes of foot pain. Poor biomechanical alignment and the type of footwear can also cause pain or discomfort. Shoes that fit tight or are tied too tightly can cause pain on the top of the foot. High heels can cause pain around the ball of your foot just below your toes. Pain and tenderness in a specific area for a prolonged period of time is telltale sign of a possible problem. A few insights into when you feel the pain will be helpful in identifying the problem and finding a possible solution.