Isotopes of Hydrogen, Protium, Deuterium and Tritium are the three naturally occurring isotopes of the chemical element hydrogen, differ in number of protons and atomic weight, chemistry Sweatshirt #723274480
Get ready for cooler weather with this classic crew neck sweatshirt. This piece is crafted with pre-shrunk fabric, a 1x1 rib-knit collar with spandex, air-jet spun yarn for softness and reduced pilling, and double-needle stitching around the collar, shoulders, armholes, cuffs, and hem. The garment is quarter-turned to prevent a crease down the middle.
