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Chromium - Element information, properties and uses | Periodic …
https://www.rsc.org/periodic-table/element/24/chromium
WEBElement Chromium (Cr), Group 6, Atomic Number 24, d-block, Mass 51.996. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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Chromium - Wikipedia
https://en.wikipedia.org/wiki/Chromium
WEBAtomic number (Z) 24: Group: group 6: Period: period 4: Block d-block: Electron configuration 3d 5 4s 1: Electrons per shell: 2, 8, 13, 1: Physical properties; Phase at STP: solid: Melting point: 2180 K (1907 °C, 3465 °F) Boiling point: 2944 K (2671 °C, 4840 °F) Density (near r.t.) 7.15 g/cm 3: when liquid (at m.p.) 6.3 g/cm 3 : Heat of fusion
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Chromium - Periodic Table and Atomic Properties
https://material-properties.org/Chromium-periodic-table-atomic-number-mass-radius-density/
WEBChromium: Atomic number: 24: Atomic mass [amu] 51.9961: Atomic mass [pm] 139: Density at STP [g/cm3] 7.14: Number of protons: 24: Number of neutrons (typical isotopes) 50; 52-54: Number of electrons: 24: Electron configuration [Ar] 3d5 4s1: Oxidation states +2,3,6: Electron affinity [kJ/mol] 64.3: Electronegativity [Pauling scale] 1.66: First ...
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Chromium | Uses, Properties, & Facts | Britannica
https://www.britannica.com/science/chromium
WEBApr 5, 2024 · atomic number: 24: atomic weight: 51.9961: melting point: 1,890 °C (3,434 °F) boiling point: 2,482 °C (4,500 °F) specific gravity: 7.20 (28 °C) oxidation states +2, +3, +6: electron configuration [Ar]3d 5 4s 1
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Chromium - Atomic Number - Cr - Periodic Table of Elements
https://www.periodic-table.org/chromium-atomic-number/
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 . The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons .
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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 - Chemistry Explained
http://www.chemistryexplained.com/elements/A-C/Chromium.html
WEBCr. 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 Elements.com - Chromium (Cr)
http://www.chemicalelements.com/elements/cr.html
WEBSymbol: 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. Color: gray. Atomic Structure. Isotopes. …
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Periodic Table of Elements: Los Alamos National Laboratory
https://periodic.lanl.gov/24.shtml
WEBAtomic Number: 24: Atomic Radius: 189 pm (Van der Waals) Atomic Symbol: Cr: Melting Point: 1907 °C: Atomic Weight: 52.00: Boiling Point: 2671 °C: Electron Configuration: [Ar]3d 5 4s 1: Oxidation States: 6, 5, 4, 3, 2, 1, −1, −2, −4 (depending on the oxidation state, an acidic, basic, or amphoteric oxide)
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Chromium (Cr) - Periodic Table
https://www.periodictable.one/element/24
WEBChromium is a chemical element of the periodic table with chemical symbol Cr and atomic number 24 with an atomic weight of 51.9962 u and is classed as a transition metal.
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