Search results
4 days ago · Germanium is a chemical element; it has symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature.
16 hours ago · Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms. For example, any atom that contains 11 protons is sodium ...
3 days ago · Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds. Sodium is the sixth most abundant element in the Earth's crust and exists in numerous minerals such as feldspars, sodalite, and halite (NaCl).
May 4, 2024 · Ne mund të flasim për lashtësinë e gjuhës së shkruar, gjuhë të vjetra, si greqishtja, ose gjuhë që kanë traditën shkrimin që nga shekulli 20 dhe nga kjo pikëpamje, shqipja nuk është një gjuhë shumë e lashtë si gjuhë e shkruar. Sepse tradita e së shkruarit shqip filloi nga Meshari i Gjon Buzukut.
5 days ago · In quantum mechanics, an atomic orbital ( / ˈɔːrbɪtəl /) is a function describing the location and wave-like behavior of an electron in an atom. [1] . This function describes the electron's charge distribution around the atom's nucleus, and can be used to calculate the probability of finding an electron in a specific region around the nucleus. [2]
4 days ago · For other uses, see Sulfur (disambiguation). Sulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with the chemical formula S 8.
3 days ago · Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]
