The g-block is a hypothetical region in the periodic table of the elements. The periodic table of the chemical elements is a tabular method of displaying the Chemical elements Although precursors to this table exist its invention is A chemical element is a type of Atom that is distinguished by its Atomic number; that is by the number of Protons in its nucleus. No elements in this region have yet been discovered in nature or synthesized artificially. (Element 122 was claimed to exist naturally in April 2008, but this claim was widely believed to be erroneous. [1]) The first element of the g-block would have atomic number 121, and the systematic name unbiunium. See also List of elements by atomic number In Chemistry and Physics, the atomic number (also known as the proton |-||-| Unbiunium (ˌʌnbiˈjuːniəm is the temporary name of an undiscovered Chemical element in the Elements in this region are likely to be highly unstable with respect to radioactive decay, and have extremely short half lives, although element 126 is hypothesized to be within the island of stability. Radioactive decay is the process in which an unstable Atomic nucleus loses energy by emitting ionizing particles and Radiation. Half-Life (computer-game page here It's already listed in the disambiguation page The island of stability is a term from Nuclear physics that describes the possibility of elements with particularly stable " magic numbers "
According to the orbital approximation in quantum mechanical descriptions of atomic structure, the g-block would correspond to elements with partially-filled g-orbitals. Quantum mechanics is the study of mechanical systems whose dimensions are close to the Atomic scale such as Molecules Atoms Electrons An atomic orbital is a Mathematical function that describes the wave-like behavior of an electron in an atom However, spin-orbit coupling effects reduce the validity of the orbital approximation substantially for elements of high atomic number. In Quantum physics, the spin-orbit interaction (also called spin-orbit effect or spin-orbit coupling) is any interaction of a particle's spin See also List of elements by atomic number In Chemistry and Physics, the atomic number (also known as the proton
| Period | ||||||||||||||||||
| g1 | g2 | g3 | g4 | g5 | g6 | g7 | g8 | g9 | g10 | g11 | g12 | g13 | g14 | g15 | g16 | g17 | g18 | |
| 8 | 121 Ubu |
122 Ubb |
123 Ubt |
124 Ubq |
125 Ubp |
126 Ubh |
127 Ubs |
128 Ubo |
129 Ube |
130 Utn |
131 Utu |
132 Utb |
133 Utt |
134 Utq |
135 Utp |
136 Uth |
137 Uts |
138 Uto |
| 9 | 171 Usu |
172 Usb |
173 Ust |
174 Usq |
175 Usp |
176 Ush |
177 Uss |
178 Uso |
179 Use |
180 Uon |
181 Uou |
182 Uob |
183 Uot |
184 Uoq |
185 Uop |
186 Uoh |
187 Uos |
188 Uoo |