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Category «Elements»

Xenon

Ксенон

Xenon (Xe) is a chemical element that belongs to the noble gases in the periodic table. Here are some general facts about xenon: Physical Properties of Xenon The main physical properties of Xe include the following: These physical properties of Xe make it useful in various applications. Chemical Properties of Xenon Chemical properties of Xe …

Properties of hydrogen

Hydrogen is a chemical element with the symbol H and atomic number 1. It is the lightest element in the periodic table and is also the most abundant element in the universe, accounting for around 75% of its elemental mass. Physical properties of hydrogen Chemical properties of hydrogen Other properties

Properties of gold

Gold is a chemical element with the symbol Au and atomic number 79. Physical properties of gold Chemical properties gold Other Properties gold Іsotopes of gold Gold has one stable isotope, which is 197Au, meaning it has 197 nucleons (protons and neutrons) in its nucleus. However, there are several radioactive isotopes of gold that have …

Properties of francium

Francium is an extremely rare and unstable metal with the atomic number 87 and symbol Fr. Because it is so rare and unstable, only a very small amount of information is known about its properties. Alkali metal. Physical properties of francium Due to its rarity and instability, very few physical properties of francium have been …

Properties of cesium

Cesium is a highly reactive alkali metal with the atomic number 55 and symbol Cs. Physical properties of cesium Here are some of its physical properties: Overall, cesium has unique physical properties, such as its low melting point, low boiling point, and high reactivity, that make it a valuable element for various applications in science …

Properties of rubidium

Rubidium is a chemical element with the symbol Rb and atomic number 37. It is a soft, silvery-white metallic element that belongs to the alkali metal group of elements. Physical properties of rubidium Rubidium is a soft, silvery-white metal with the atomic number 37 and symbol Rb. Here are some of its physical properties: Overall, …

Properties of potassium

Калій

Potassium is a chemical element with the symbol K and atomic number 19. It is a highly reactive alkali metal that is essential for many biological processes. Physical properties of potassium Some physical properties of potassium: Overall, the physical properties of potassium make it a unique and important element in various industries and biological processes. …

Properties of magnesium

Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a silvery-white metal that belongs to the alkaline earth metals group in the periodic table. Physical properties of magnesium Here are some physical properties of magnesium: Overall, the physical properties of magnesium make it a useful metal in various industrial …

Properties of beryllium

берилій

Beryllium is a chemical element with the symbol Be and atomic number 4. It is a rare and highly toxic metal that is lightweight, strong, and has a high melting point. Beryllium is one of the lightest metals and has a density of only 1.85 g/cm³, which is less than one-third the density of steel. …

Properties of sodium

Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white metal that is highly reactive and belongs to the alkali metal group of elements. Sodium is the sixth most abundant element in the Earth’s crust, and it is found in a variety of minerals and compounds such …