WebMar 2, 2024 · Properties, occurrence, and uses. Pure crystalline boron is a black, lustrous semiconductor; i.e., it conducts electricity like a metal at high temperatures and is almost an insulator at low temperatures. It is hard enough (9.3 on Mohs scale) to scratch some abrasives, such as carborundum, but too brittle for use in tools.It constitutes about 0.001 … WebJan 21, 2024 · Yes, bromine is the only liquid non-metal known at room temperature. This compound conduct electricity only when its react with some other elements like metal ( …
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Webstrontium (Sr), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is used as an ingredient in red signal flares and phosphors and is the principal health hazard in radioactive fallout. atomic number 38 atomic weight 87.62 melting point 769 °C (1,416 °F) boiling point 1,384 °C (2,523 °F) specific gravity 2.63 oxidation … WebJun 16, 2024 · Question 1: Can bromine conduct electricity? Answer: Bromine is a very poor conductor of electricity. Nonmetals are a bad conductor of electricity. It is relatively uncharged as its electrons are tightly bound toward its nucleus. Therefore it does not have the mobile electrons to conduct electricity. conostylis serrulata
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WebApr 9, 2024 · Potassium bromide in its solid form contains ions, which are charged atoms. However, the ions are bound so tightly in the solid form of potassium bromide that … WebPotassium reacts with bromine at room temperature to form potassium bromide . 4 (a) ... Potassium bromide does not conduct electricity when solid but does conduct electricity when molten . 4 (b) (I) Add To Classified What is meant by the term ionic lattice? answer (ionic): made of, positive and negative ions / anions and cations / oppositely ... WebA certain crystalline substance that has a low melting point does not conduct electricity in solution or when melted. This substance is likely to be. Bonding Practice Quiz #3 DRAFT. 11th - 12th grade. 1 times ... Bromine has a greater electronegativity than iodine, thus there are stronger dipole-dipole. forces in liquid bromine than in liquid ... conostichus fossils