Copper has two stable isotopes, 63Cu and 65Cu, along with 27 radioisotopes. The most stable of these is 67Cu with a half-life of 61.83 hours. The bowl in the image is made completely from copper.
alles im Griff... by AndreaKM
Fluffy slime: Glue, eyedrops, Gillette men shaving gel, and food dye(optional) put as much glue as you want then add food dye if you want, add a little bit shaving gel at a time, until its together but sticky add eyedrops and you will be good.
Jadeite Sodium aluminum silicate Burma 3025.jpg
Melting Points of Various Metals
Neckscarf Neckwarmer Scarf in black charcoal by eternaleclectic, $30.00
Kay Sekimachi, Amiyose (quadruple and tubular weave, nylon monofilament), 1965.
Copper only forms Ionic Bonds. This is a bond of copper and oxygen.