What are some examples of new materials and the atomic numbers of the elements they are composed of?

Feb 10, 2022 ... Indium has atomic number 49 and atomic mass 114.8 g. contains a mixture of indium-112 and indium-115 in an atomic ratio of approximately A) 6/94. Nov 28, 2023 ... The number of protons is unique to each element. For example, there are six protons in a carbon nucleus; therefore, its atomic number is 6 on ... For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (np) or the number of protons found in the nucleus of every atom of ... We have compared effective atomic numbers of some important tissue substitutes by four methods (ie, Auto-Z eff , direct method, interpolation method, and power ... The "atomic-number effect" means that, since the amount of incident electrons which do not contribute to the emission of the characteristic X-rays of a target ... a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium. Isotopes are atoms of the same element that have the same number of protons (ie, atomic number, "Z") but a different number of neutrons. Atomic Number, 92. Atomic Mass, 238.029 atomic mass units. Number of Protons, 92. Number of Neutrons, 146. Number of Electrons, 92. Melting Point, 1132.0° C. ... atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is ... Dec 5, 2024 ... On the periodic table, it has the symbol "Hg" and its atomic number is 80. It exists in several forms: Elemental (metallic) mercury ...