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548px-Electron shell 103 lawrencium.jpg

Lawrencium (ləˈrɛnsiəm) is a radioactive synthetic element with the symbol Lr (formerly Lw) and atomic number 103.

Its most stable known isotope is 262Lr, with a normal half-life of approximately 3.6 hours. There is strong evidence for the formation of a trivalent ion in aqueous solution, confirming lawrencium's place as the last member of the actinoids. Although lawrencium is often placed as the last member of the 5f-block, it can also be regarded as the first member of the 6d-block.

Characteristics[]

This element is gray and metallic. Significant amounts of lawrencium pose a radiation hazard. Lawrencium has a melting point of 1254 K, and a boiling point of 1336 K. Lawrencium has shown an odd degree of tensile strength and a propensity to ashew bonding with most other elements.

Value[]

The base value of each unit of ranges between 35 and 85Ð per unit, with up to 2 units being found at any one time.

Presence on Mars: Very Rare

Martian Minerals
Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6
Group 5 |Americium | Anthraximite | Areanetium Dieinsteinium | Areanetium Ferrocrete | Areanetium Mendelite | Berkelium | Bohrium | |Californium | Curium | Darmstadtium | Einsteinium | Fermium | Fermium Hasside | Ferro-plat Alloy | Hassium | Lawrencium | |Meitnerium | Meitnerium Golgathide | Mendelevium | Neptunium | Nobelium | Plutonium | Roentgenium | Seaborgium | |Transuranic Alloblast |
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