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Chromium - Wikipedia
https://en.wikipedia.org/wiki/Chromium
WEBChromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. Chromium metal is valued for its high corrosion resistance and hardness.
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Chromium - Element information, properties and uses | Periodic …
https://www.rsc.org/periodic-table/element/24/chromium
WEBThe name is derived from the Greek 'chroma', meaning colour. Allotropes. Cr. Chromium. 24. 51.996. Glossary. GroupA vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell.
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Chromium | Uses, Properties, & Facts | Britannica
https://www.britannica.com/science/chromium
WEBFeb 28, 2024 · chromium (Cr), chemical element of Group 6 (VIb) of the periodic table, a hard steel-gray metal that takes a high polish and is used in alloys to increase strength and corrosion resistance.
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Chromium Definition, Facts, Symbol, Discovery, Property, Uses
https://www.chemistrylearner.com/chromium.html
WEBChromium (pronunciation: KROH-mee-em) is a brittle, lustrous, silvery element belonging to the group of transition metals in the periodic table, and it is represented by the chemical symbol Cr [1, 2, 3]. It is highly valued for its hardness and corrosion resistance [4]. Chromium Symbol. Its Isotopes.
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CHROMIUM - Chemistry Explained
http://www.chemistryexplained.com/elements/A-C/Chromium.html
WEBSYMBOL. Cr. ATOMIC NUMBER. 24. ATOMIC MASS. 51.996. FAMILY. Group 6 (VIB) Transition metal. PRONUNCIATION. CRO-mee-um. Discovery and naming. Chromium was discovered in a mineral known as Siberian red lead. The mineral was first described in 1766 by German mineralogist Johann Gottlob Lehmann (1719-67).
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Chemical Symbol for Chromium - Cr - Periodic Table of Elements
https://www.periodic-table.org/chromium-chemical-symbol/
WEBNov 21, 2020 · Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. The chemical symbol for Chromium is Cr . Chromium is a steely-grey, lustrous, hard and brittle metal[4] which takes a high polish, resists tarnishing, and has a high melting point.
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Chemical Elements.com - Chromium (Cr)
http://www.chemicalelements.com/elements/cr.html
WEBBasic Information. Name: Chromium. Symbol: Cr. Atomic Number: 24. Atomic Mass: 51.9961 amu. Melting Point: 1857.0 °C (2130.15 K, 3374.6 °F) Boiling Point: 2672.0 °C (2945.15 K, 4841.6 °F) Number of Protons/Electrons: 24. Number of Neutrons: 28. Classification: Transition Metal. Crystal Structure: Cubic. Density @ 293 K: 7.19 g/cm 3. …
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Chromium (Cr) - Periodic Table
https://periodictable.chemicalaid.com/element.php/Cr?lang=en
WEBChromium is the 24th element in the periodic table and has a symbol of Cr and atomic number of 24. It has an atomic weight of 51.9961 and a mass number of 52. Chromium has twenty-four protons and twenty-eight neutrons in its nucleus, and twenty-four electrons in four shells. It is located in group six, period four and block d of the periodic table.
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Chromium - Wikiwand
https://www.wikiwand.com/en/Chromium
WEBChromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. Quick Facts Appearance, Standard atomic weight Ar° (Cr) ... Close. Chromium metal is valued for its high corrosion resistance and hardness.
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chromium summary | Britannica
https://www.britannica.com/summary/chromium
WEBchromium, Metallic chemical element, one of the transition element s, chemical symbol Cr, atomic number 24. A hard, steel-gray metal that takes a high polish, it is used in alloys (e.g., ferrochromium, steel, stainless steel) to increase strength and corrosion resistance.
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