Traditional Culture Encyclopedia - Photography and portraiture - Is magnesium a nonmetallic element?
Is magnesium a nonmetallic element?
"mg" usually refers to magnesium (chemical symbol Mg), which is a nonmetallic element. Magnesium is one of the abundant elements on the earth, which has many important chemical and physical properties and is of great significance to the biological and industrial fields.
Magnesium is a 12 element in the periodic table of elements, belonging to the alkaline earth metal group. Although it is a metal, in some specific cases, magnesium can show some properties similar to nonmetallic elements. The following are some important characteristics and properties of magnesium:
1, physical properties: magnesium is a silvery white metal, which exists in the form of compounds in nature, such as magnesium oxide (MgO) and magnesium carbonate (MgCO3). Its density is very low, and its specific gravity is about1.74g/cm? , making it one of the light metals.
2. Chemical properties: Magnesium is an active metal, which easily reacts with oxygen to form oxides. In most acidic solutions, it will react with acid to generate hydrogen. In addition, magnesium can form compounds with nonmetallic elements, showing similar properties to nonmetallic elements.
3. Biological significance: Magnesium plays an important role in the survival and health of organisms. There are about 25 grams of magnesium in human body, which is mainly distributed in bones and muscles. It is involved in the catalytic activities of many enzymes and has an important influence on nervous system, cardiovascular system and muscle function.
4. Industrial application: Magnesium is widely used in industry, mainly for making alloys. Magnesium alloys have low density and high strength, and are widely used in aviation, automobiles, electronic equipment and other fields.
5. Spark initiator: Magnesium can produce bright white light, so it is used as a spark initiator and is often used in photography, welding, fireworks and other occasions.
- Previous article:How does Apple iPhone 7 plus slow down the speed of normal video shooting?
- Next article:Photographer Achong
- Related articles
- Guangyuan wedding photography Hanfu
- 20 15 how much is the three-year tuition of Jintan Jinsha senior high school?
- Ranking of tourist attractions around Ningbo
- Scroll size
- An inspirational story about teenagers.
- Creative tanabata activity plan
- 2018 Shanghai Shenkeng Hotel 4,000 yuan per night interior pictures + hotel highlights
- To commemorate the perfect encounter between a beauty in black stockings and a big black bear (photo of my wife working as a car model)
- How to use depth of field in photography.
- Nanchang to Shiniuzhai two-day tour, Shiniuzhai two-day tour.