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Ulexite is a structurally complex mineral, with a basic structure containing chains of sodium, water and hydroxide octahedra. The chains are linked together by calcium, water, hydroxide and oxygen polyhedra and massive boron units. The boron units have a formula of [B 5 O 6 (OH) 6] 3– and a charge of −3. They are composed of three borate ...
For higher melting point metals and alloys such as steel and silver, oxidized impurities melt and float making them easy to pour off. With wrought iron, hammering and later rolling remove some dross. [1] With tin and lead the dross can be removed by adding sodium hydroxide pellets, which dissolve the oxides and form a slag. If floating, dross ...
The physics technical term massive particle refers to a massful particle which has real non-zero rest mass (such as baryonic matter), the counter-part to the term massless particle. According to special relativity , the velocity of a massive particle is always less than the speed of light . [ 1 ]
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More obscure clue words of this variety include: "Model" for T, referring to the Model T. "Beginner" or synonyms such as "novice" or "student" for L, as in L-plate. "Bend" for S or U (as in "S-bend" and "U-bend") "Books" for OT or NT, as in Old Testament or New Testament. "Sailor" for AB, abbreviation of able seaman.
^ The ratio between the mass of the object and those in its immediate neighborhood. Used to distinguish between a planet and a dwarf planet. ^ This object's rotation is synchronous with its orbital period, meaning that it only ever shows one face to its primary. ^ Objects' planetary discriminants based on their similar orbits to Eris. Sedna's ...
Researchers estimate that it could contain somewhere between 1,000 and 10,000 trillion stars.
This category is for inanimate or animate things, including entities, objects, and creatures, without excluding humans. Things that weigh the most will typically be the most massive as well, although mass and weight are somewhat different scientific concepts, as discussed at the article about mass versus weight .