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.
This can create the sensation of numbness in the toes and it could also cause a number of other different symptoms, including a burning sensation or the feeling like youâre walking on a hard pebble on the undersurface of the foot. 2. Spur. When the tops of the toes feel numb, thereâs a different cause. Often this cause is due to irritation of one of the nerves that runs along the top of the foot. Thereâs a couple a run over the top of the middle part of the foot.