Nov 11, 2025 · The transition metals may be subdivided according to the electronic structures of their atoms into three main transition series, called the first, second, and third transition series, and two …

Nov 11, 2025 · The most abundant transition metal in Earth’s solid crust is iron, which is fourth among all elements and second (to aluminum) among metals in crustal abundance. The elements titanium, …

Nov 11, 2025 · Transition metal - Elements, Series, Properties: Although the transition metals have many general chemical similarities, each one has a detailed chemistry of its own.

Nov 11, 2025 · Several transition metals are important to the chemistry of living systems, the most familiar examples being iron, cobalt, copper, and molybdenum.

Oct 27, 2025 · It is the successive occupancy of these five 3 d orbitals by their complement of ten electrons that characterizes the ten elements of the iron-group transition series.

Oct 14, 2025 · The transition metals may be subdivided according to the electronic structures of their atoms into three main transition series, called the first, second, and third transition series, and two …

technetium (Tc), chemical element, synthetic radioactive metal of Group 7 (VIIb) of the periodic table, the first element to be artificially produced.

The most abundant transition metal in Earth’s solid crust is iron, which is fourth among all elements and second (to aluminum) among metals in crustal abundance.

Nov 19, 2025 · A major use of yttrium is in high-temperature superconducting ceramics, such as YBa 2 Cu 3 O 7, which has a superconducting transition temperature of 93 K (−180 °C, or −292 °F) for …

lanthanum, Metallic chemical element, one of the transition elements, chemical symbol La, atomic number 57. It was discovered in 1839, and its name derives from the Greek for “to lie hidden.”