Cadmium: Element Name: 112.41: Average Atomic Mass: The atomic weight is basically a measurement of the total number of particles in an atom 's nucleus including both protons and neutrons. The number of electrons in each of Cadmium's shells is 2, 8, 18, 18, 2 and its electron configuration is [Kr] 4d 10 5s 2. Copernicium (Cr) is a radioactive metal that has the atomic number 112 in the periodic table, its appearance is not fully known due to the minuscule amounts produced of it. Fully descriptive writeups. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Cadmium’s chemistry is similar to zinc’s and they are found in the same ores. Enter your answers numerically separated by commas. What is the symbol of another isotope of cadmium with 65 neutrons? It is a Transition metal in Group 11. Electrons have a specific form of distribution (or configuration) in every atom, even Cadmium. Zinc sits above cadmium in the periodic table. Cadmium (atomic symbol: Cd, atomic number: 48) is a Block D, Group 12, Period 5 element with an atomic weight of 112.411. Like mercury below it, cadmium and its compounds are highly toxic. It has the symbol Rg. How many protons, neutrons, and electrons are in 112 48Cd? Cadmium is a naturally-occurring chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Name: Cadmium Symbol: Cd Atomic Number: 48 Atomic Mass: 112.411 amu Melting Point: 320.9 °C (594.05 K, 609.62 °F) Boiling Point: 765.0 °C (1038.15 K, 1409.0 °F) Number of Protons/Electrons: 48 Number of Neutrons: 64 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 8.65 g/cm 3 Color: Silvery Atomic Structure In the case of Cadmium the abbreviated electron configuration is [Kr] 4d10 5s2. Some are hard to memorise (or predict), so what is the electron configuration of an atom of Cd? Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. I know this answer is 113 Cd. So the first step is to locate the atomic mass on the periodic table, and round the value to the nearest whole number. Some chemists don’t regard cadmium as a true transition metal, because it has a full shell of d electrons. Np, Nn, Ne = 48,64,48 (thats the answer for that one) PART B. Interactive periodic table showing names, electrons, and oxidation states. Cadmium was discovered by Friedrich Stromeyer in 1817 from an impurity in some samples of zinc carbonate. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. He noted that these particular samples changed colour on heating, which pure zinc carbonate does not. He was persistent to follow this observation through and he eventually isolated some cadmium metal by roasting and reduction of the sulphide. Visualize trends, 3D orbitals, isotopes, and mix compounds. The chemical symbol for cadmium is Cd. PART C The chemical symbol for Cadmium is Cd . Cadmium-112 Isotope Applications: Cadmium-112 isotope (Cd-112 isotope, 112Cd isotope). Element Cadmium (Cd), Group 12, Atomic Number 48, d-block, Mass 112.414.