Septbiunium

Septbiunium (Sbu)

Septbiunium is the systematic name of the theoretical 721. element in the periodic table with a symbol of Sbu and atomic number of 721. Septbiunium, also known as element 721, has แƒจแƒ•แƒ˜แƒ“แƒแƒกยญแƒแƒชแƒ“แƒยญแƒ”แƒ แƒ—แƒ˜ protons in its nucleus, and แƒจแƒ•แƒ˜แƒ“แƒแƒกยญแƒแƒชแƒ“แƒยญแƒ”แƒ แƒ—แƒ˜ electrons in its shells.
Atomic Number721
แƒ แƒ™แƒ˜แƒœแƒSbu
แƒžแƒ แƒแƒขแƒแƒœแƒ˜721
แƒ”แƒšแƒ”แƒฅแƒขแƒ แƒแƒœแƒ˜721