Lawrencium also can be classified as the first of the 7th-period transition metals. Atomic Number – Protons, Electrons and Neutrons in Lawrencium. Physical Properties. They are purely used for scientific research only. In the periodic table, Lawrencium behaves as a heavier homolog to lutetium and is a trivalent element that chemistry experiments have confirmed. Lawrencium is a radioactive element, wholly synthesized from other elements. The appearance of this element is unknown, however it is most likely silvery-white or gray and metallic. It's chemical data are limited to its atomic number, its haf life and isotopes. If sufficient amounts of lawrencium were produced, it would pose a radiation hazard. Lawrencium is the final member of the actinide series and is sometimes considered to be a group 3 element, along with scandium, yttrium, and lutetium, as its filled f-shell is expected to make it resemble the 7th-period transition metals. Characteristics. Get facts on the chemical and physical properties of the element lawrencium. Menu. properties of Lawrencium (Lr) like atomic, mechanical, electrical, thermal and magnetic properties Atomic Structure of Lawrencium (image will be uploaded soon) Chemical Properties of Lawrencium. Its isotopes have a half-life of eleven hours and it is the longest-lived super-heavy till date. It is the last element found in the actinide series, and is also the heaviest. The atomic mass of lawrencium is 262 and has a half-life of 3.6 hours. Among all isotopes of Lawrencium, only 12 isotopes are known with mass numbers 252, 262 and 266. Isotopes of Lawrencium are radioactive. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure. Lawrencium. The melting point of lawrencium … There are eleven isotopes of lawrencium, and one isomer. Science, Tech, Math Science Math Social Sciences Computer Science Animals & Nature Humanities History & Culture Visual Arts Literature English Geography Lawrencium is of not much use. Get facts on the chemical and physical properties of the element lawrencium. Characteristics Physical. The chemical symbol for Lawrencium is Lr.. Lawrencium is the final member of the actinide series. Uses: Lawrencium Reactions. Though there is not any distinctive in the appearance of lawrencium, it is silvery white or grayish in color. Home. Structure: Color: Hardness: mohs Harmful effects: Characteristics: Radioactive,few atms made. Properties of Lawrencium. Lawrencium can be turned into both, gaseous and aqueous phases. Lawrencium is the second transferium element with the most stable isotope 262 Lr having a half-life of 216 minutes. What is Lawrencium. Atomic weight of known its 11 isotopes range from 252 to 262. 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