WebChromium definition, a lustrous, hard, brittle, metallic element used in alloy steels for hardness and corrosion resistance, as in stainless steel, and for plating other metals: … WebOne difference between mixtures and pure substances is that answer choices mixtures can be physically separated. mixtures are made of one type of atom. pure substances have no chemical bonds. pure substances can be physically separated. Question 8 60 seconds Q. In the classification of matter chart, letter A. would be a (n) answer choices acid.

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WebChemistry questions and answers. 1. Complete the table below Material Pure substance or mixture Element, Compound, Homogeneous, Heterogeneous mixture Concrete Sugar and … WebIn the center column, state whether the material is a pure substance or mixture. • If the material is a pure classify it as either an element or compound in the right column. • If the material is a mixture, further classify it as homogeneous or heterogeneous in the ... pure water soil chromium (Cr) baking soda salt + pure water + benzene ... mccullough san antonio

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WebJan 30, 2024 · In chemistry, a substance is pure if it has a homogeneous chemical composition. At the nanoscale, this only applies to a substance made up of one type of atom, molecule, or compound. In the more general sense, a pure substance is any homogeneous mixture. WebAug 23, 2024 · A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations … WebJun 13, 2024 · The continuous interest of researchers towards the schiff base chemistry of metal complexes have developed a new effective therapeutic agents for the treatment of several infections like antibacterial, antifungal, antiviral etc. Chromium is a unique toxic element present in two oxidant states i.e. Cr (III) & Cr (VI), the latter being more toxic. mccullough school calendar