Helium, atomic model. Chemical element and noble gas with symbol He and atomic number 2. Bohr model of helium-4, with atomic nucleus of 2 protons, 2 neutrons, and with 2 electrons in the atomic shell. T-shirt #593547846
This unisex t-shirt is a wardrobe staple that effortlessly matches any outfit. Made from robust cotton, it showcases a double-stitched neckline and sleeves for exceptional durability.
