![Diagram showing the periodic table entry for magnesium, with atomic number 12, symbol Mg, electron configuration [Ne]3s2, and atomic weight range. Labeled icons indicate it is an alkaline-earth metal, solid at room temperature, has a hexagonal crystal structure, and strongly basic oxide properties.](https://cdn.britannica.com/88/22388-050-66BFFDB1/Magnesium-magnesium-symbol-square-Mg-properties-some.jpg)
magnesium: References & Edit History
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Article Contributors
Primary Contributors
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Timothy P. Hanusa
Professor, Department of Chemistry, Vanderbilt University, Nashville, Tennessee.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: National Center for Biotechnology Information - PubMed Central - Magnesium basics. | Aug 17, 2026 | ||
| Add new Web site: Healthdirect - Magnesium and your health. | Mar 04, 2026 | ||
| Add new Web site: USGS Publications Warehouse - Magnesium, its Alloys and Compounds (PDF). | Dec 11, 2025 | ||
| Add new Web site: Frontiers - Frontiers in Endocrinology - Neuroprotective effects of magnesium: implications for neuroinflammation and cognitive decline. | Aug 23, 2025 | ||
| Add new Web site: CAMEO Chemicals - Magnesium. | Aug 02, 2024 | ||
| Media added. | Feb 25, 2024 | ||
| Add new Web site: Mount Sinai - Magnesium. | Feb 19, 2024 | ||
| Add new Web site: American Academy of Family Physicians - Therapeutic Uses of Magnesium. | Jan 05, 2024 | ||
| Add new Web site: National Institutes of Health - Office of Dietary Supplements - Magnesium. | Oct 09, 2023 | ||
| Add new Web site: Lenntech - Magnesium - Mg. | Aug 10, 2023 | ||
| Add new Web site: Medicine LibreTexts - Magnesium (Chapter 23c). | Jun 30, 2023 | ||
| Add new Web site: Oregon State University - Linus Pauling Institute - Magnesium. | May 20, 2023 | ||
| Add new Web site: Healthline - 12 Evidence-Based Health Benefits of Magnesium. | Apr 06, 2023 | ||
| Add new Web site: National Center for Biotechnology Information - PubMed Central - Magnesium basics. | Jan 16, 2023 | ||
| Add new Web site: Harvard T.H. Chan School of Public Health - The Nutrition Source - Magnesium. | Nov 18, 2022 | ||
| Add new Web site: WebMD - Magnesium - Uses, side effects, and more. | Sep 02, 2022 | ||
| Add new Web site: Live Science - Facts About Magnesium. | Jun 25, 2021 | ||
| Add new Web site: The Periodic Table - The Element Magnesium. | Jun 25, 2021 | ||
| Add new Web site: University of Maryland Medical Center - Magnesium. | Dec 11, 2017 | ||
| Updated information on the top magnesium-producing countries worldwide. | Mar 06, 2017 | ||
| Add new Web site: Victoriahealth - Magnesium. | Mar 21, 2016 | ||
| Add new Web site: University of Maryland Medical Center - Magnesium. | Mar 21, 2016 | ||
| Add new Web site: WebElements - Magnesium. | Apr 04, 2014 | ||
| Text added noting top-producing countries of magnesium. | Aug 23, 2013 | ||
| Add new Web site: Rader's Chem4Kids.com - Magnesium. | Jul 25, 2013 | ||
| Add new Web site: Royal Society of Chemistry - Magnesium. | Jul 25, 2013 | ||
| Add new Web site: Buzzle.com - Magnesium. | Jul 25, 2013 | ||
| Add new Web site: Chemicool - Magnesium. | Jul 25, 2013 | ||
| Article revised and updated. | Dec 03, 2012 | ||
| Added image of products made from magnesium. | Feb 02, 2012 | ||
| Article revised and updated. | Apr 17, 2009 | ||
| Combined with barium section of "alkaline earth metal" | Jan 29, 2009 | ||
| Added new Web site: How Stuff Works - Healthguide - Magnesium In Diet. | Sep 24, 2008 | ||
| Added new Web site: Hyperphysics - Magnesium. | Jul 21, 2008 | ||
| Added new Web site: Los Alamos National Laboratory - Magnesium. | May 02, 2008 | ||
| Article revised and updated. | Mar 07, 2008 | ||
| Article revised and updated. | Apr 12, 2007 | ||
| Added new Web site: Office of Dietary Supplements - Magnesium. | Jan 24, 2007 | ||
| Added new Web site: Hippocrates Health Centre of Australia - Magnesium Chloride. | Jan 24, 2007 | ||
| Added new Web site: Webelements.com - Magnesium. | Jan 24, 2007 | ||
| Added new Web site: Thomson Healthcare Incorporated - Magnesium. | Jan 24, 2007 | ||
| Added new Web site: EnvironmentalChemistry.com - Magnesium. | Jan 24, 2007 | ||
| Added new Web site: WHFoods - Magnesium. | Jan 24, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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