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Element Lawrencium (Lr), Group 20, Atomic Number 103, f-block, Mass [262]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
A radioactive metal, lawrencium is the eleventh transuranium element, the third transfermium, and the last member of the actinide series. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles.
Lawrencium is a chemical element of the periodic table with chemical symbol Lr and atomic number 103 with an atomic weight of 262 u and is classed as actinide. Lawrencium is solid at room temperature.
Lawrencium has one hundred three protons and one hundred forty-eight neutrons in its nucleus, and one hundred three electrons in seven shells. It is located in group Transition metals, period seven and block f of the periodic table.
Lawrencium is the eleventh transuranic element to be discovered. It is the last member of the actinide series. The expected density of lawrencium is around 16.6 g/cm 3 and is considered a heavy metal. Lawrencium is expected to be a volatile element and resembles lead in its volatility.
Lawrencium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.
1 Σεπ 2024 · How can you determine the blocks-wise position of elements? The simple answer: The elements will lie in the s, p, d or f block will completely depend upon the subshell in which the last electron will enter. For example; the electron configuration of lawrencium is [Rn] 5f 14 7s 2 7p 1.
