from Wikipedia, the free encyclopedia
Cr I Ground State 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 7 S 3 Ionization energy 54575.6 cm-1 (6.76651 eV) Ref. SC85 Cr II Ground State 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 6 S 5 / 2 Ionization energy 132966 cm-1 (16.4857 eV) Ref. Compare Chromium and Sodium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. Chromium (atomic symbol: Cr, atomic number: 24) is a Block D, Group 6, Period 4 element with an atomic weight of 51.9961. The number of electrons in each of Chromium's shells is 2, 8, 13, 1 and its electron configuration is Ar 3d 5 4s 1. Chromium has atomic No. It is the first element in group 6 on the periodic table, with an atomic weight of 51.996 and a density of 7.19 grams per cubic centimeter. Chromium is a hard, lustrous, steel-gray metal. Our chromium page has over 250 facts that span 106 different quantities. Each entry has a full citation identifying its source. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature.
2
Chromium is a chemical element in the periodic table that has the symbol Cr and atomic number 24.
Chromium is a steel-gray, lustrous, hard metal that takes a high polish, and has a high melting point.
It is also odourless, tasteless, and is somewhat malleable.
Note: The above text is excerpted from the Wikipedia article 'Chromium', which has been released under the GNU Free Documentation License.
For more information, see the following related content on ScienceDaily:
2
Chromium Mass Number
Half of Piedmont Drinking Wells May Exceed NC's Hexavalent Chromium Standards
Nov. 12, 2019 — A new study which combines measurements from nearly 1,400 drinking water wells across North Carolina estimates that more than half of the wells in the state's Piedmont region contain levels of ...
Chromium Steel First Made in Ancient Persia, Study Finds
Sep. 23, 2020 — Chromium steel -- similar to what we know today as tool steel -- was first made in Persia, nearly a millennium earlier than experts previously thought, according to a new ...
Filtering out Toxic Chromium from Water
May 6, 2020 — Chemists have developed sponges to capture various target substances, like gold, mercury and lead, dissolved in solution. The sponges are actually porous crystals called metal organic frameworks, and ...
Novel Nano Material for Quantum Electronics
Sep. 10, 2018 — An international team has synthesized a novel nano material with electrical and magnetic properties making it suitable for future quantum computers and other applications in ...
How a Toxic Chromium Species Could Form in Drinking Water
Sep. 30, 2020 — The water crisis in Flint, Michigan, brought much-needed attention to the problem of potentially toxic metals being released from drinking water distribution pipes when water chemistry changes. Now, ...
Revealing the Inner Working of Magnetic Materials
Nov. 8, 2018 — New research shows what happens inside magnetic materials at high ...
Unprecedented Insight Into Two-Dimensional Magnets Using Diamond Quantum Sensors
Apr. 25, 2019 — For the first time, physicists have succeeded in measuring the magnetic properties of atomically thin van der Waals materials on the nanoscale. They used diamond quantum sensors to determine the ...
New Scale for Electronegativity Rewrites the Chemistry Textbook
Jan. 17, 2019 — Electronegativity is one of the most well-known models for explaining why chemical reactions occur. Now scientists have redefined the concept with a new, more comprehensive ...
Pressure May Be Key to Fighting Climate Change With Thermoelectric Generators
Oct. 7, 2019 — Pressure improves the ability of materials to turn heat into electricity and could potentially be used to create clean generators, according to new ...
Manipulating Non-Magnetic Atoms in a Chromium Halide Enables Tuning of Magnetic Properties
July 24, 2020 — The magnetic properties of a chromium halide can be tuned by manipulating the non-magnetic atoms in the material, a team reports. The method is based on a mechanism known as an indirect exchange ...
- RELATED TERMS
- Cobalt
- Nickel
- Iridium
- Thallium
- Hafnium
- Germanium
April 22, 2021
Apr. 1, 2021 — A single 'super photon' made up of many thousands of individual light particles: About ten years ago, researchers produced such an extreme aggregate state for the first time. ...
Mar. 16, 2021 — Researchers observed hummingbirds using 12 high-speed cameras, 6 pressure plates and 2176 microphones. The soft and complex feathered wings generate sound in a fashion ...
Mar. 2, 2021 — New research shows that slight alterations in transfer-RNA molecules (tRNAs) allow them to self-assemble into a functional unit that can replicate information exponentially. ...
Feb. 23, 2021 — By discovering a new printable biomaterial that can mimic properties of brain tissue, researchers are now closer to ...
updated 12:56 pm ET
Laser Paintbrush Used to Create Miniature Masterpieces
Apr. 19, 2021 — Researchers are blurring the lines between science and art by showing how a laser can be used to create artistic masterpieces in a way that mirrors classical paints and brushes. The new technique not ...
Collaborative Research Could Help Fine-Tune the Production of Antimalarials, Chemo Drugs
Apr. 21, 2021 — Much of common pharmaceutical development today is the product of laborious cycles of tweaking and optimization. In each drug, a carefully concocted ...
Detailed Look at Intriguing Property of Chiral Materials
Apr. 21, 2021 — A new study is advancing scientists' understanding of magneto-chiral dichroism. The research focuses on light-matter interactions in chiral materials under a magnetic ...
Fighting Harmful Bacteria With Nanoparticles
Apr. 22, 2021 — Multi-resistant pathogens are a serious and increasing problem in today's medicine. Where antibiotics are ineffective, these bacteria can cause life-threatening infections. Researchers are currently ...
Chromium Atomic Number Images
The Future Looks Bright for Infinitely Recyclable Plastic
Apr. 22, 2021 — Plastics are ubiquitous, but they're not practical. Less than 10% are recycled, and the other approximately 8 billion tons are creating a pollution crisis. Researchers are determined to change that. ...
Using Floodwaters to Weather Droughts
Apr. 21, 2021 — Using a new computer framework, scientists are able to project future floodwaters under a changing climate. The approach could help California water managers plan for and redirect floodwaters toward ...
Chromium Atomic Number 24 Is A
Scientists Capture Image of an Electron's Orbit Within an Exciton
Apr. 21, 2021 — Researchers have captured an image showing the internal orbits, or spatial distribution, of particles in an exciton - a goal that had eluded scientists for almost a ...
Mechanical Engineers Develop New High-Performance Artificial Muscle Technology
Apr. 21, 2021 — Researchers have developed a new, high-performance artificial muscle technology. The new technology enables more human-like motion due to its ...
Aerial Photos Uncover an Invisible Fault in Chinese City
Apr. 21, 2021 — Decades-old aerial photos of Yudong District, Datong City in Shanxi Province, Northern China have helped researchers in their search for a fault hidden underneath the city's buildings and cement ...
'Fingerprint' for 3D Printer Accurate 92% of Time
Chromium Electron Atomic Number
Apr. 21, 2021 — New research shows 3D printers can be identified by thermodynamic properties, which could could aid intellectual property, ...