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Metallic, sub metallic, and nonmetallic are properties of the mineral luster.
Limestone is a nonmetallic mineral. It is a sedimentary rock primarily composed of calcium carbonate, which is a chemical compound with a nonmetallic element (calcium) and a nonmetallic element (carbon) bonded together. Metallic minerals, on the other hand, are composed of metals or have metallic properties. Limestone does not fall into this category.
Differences exist in chemical and physical properties.
Assuming that "least nonmetallic" means the same as "most metallic", francium.
No. Noble gasses are elements that rarely, if ever form chemical bonds. The elements with both metallic and nonmetallic properties are the metalloids.
Rubidium (Rb) is an alkali metal.
An overwhleming amount of steel is iron; it is therefore metallic.
Silicon is a metalloid, having both metallic and nonmetallic properties.
No, stainless steel is not a nonmetallic element. It is a metallic alloy composed mainly of iron, with a minimum of 10.5% chromium to give it its corrosion-resistant properties.
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