Helium Helium Helium (from ) is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements. After hydrogen, helium is the second lightest and second most abundant element in the observable universe, being present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined. Its abundance is similar to this figure in the Sun and in Jupiter. This
Boiling Springs, Pennsylvania States Census Bureau, the CDP has a total area of , of which is land and , or 0.49%, is water. Boiling Springs gets its name from the natural artesian well springs located in and around the town. Boiling Springs ranks seventh in size of springs in the Commonwealth of Pennsylvania. About of water flows per day from a total of 30 springs dotted across approximately . The impression of "boiling" does not result from the temperature of the water, which stays at year-round, but rather from a unique hydrogeological feature. Two vertical diabase dikes, made up of highly impermeable