Αποτελέσματα Αναζήτησης
Element Potassium (K), Group 1, Atomic Number 19, s-block, Mass 39.098. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
1 Σεπ 2024 · Protons, neutrons and electrons of all elements are mentioned in the table below. Details about this Periodic table: Access detailed info on all elements: atomic mass, electron configurations, charges, and more. View rotating Bohr models for all 118 elements. Get a free HD image of the Periodic Table.
21 Νοε 2020 · Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. The chemical symbol for Potassium is K. Mass numbers of typical isotopes of Potassium are 39; 41.
Although potassium is the eighth most abundant element on earth and comprises about 2.1% of the earth's crust, it is a very reactive element and is never found free in nature. Metallic potassium was first isolated by Sir Humphry Davy in 1807 through the electrolysis of molten caustic potash (KOH).
Potassium is the 19th element in the periodic table and has a symbol of K and atomic number of 19. It has an atomic weight of 39.0983 and a mass number of 39. Potassium has nineteen protons and twenty neutrons in its nucleus, and nineteen electrons in four shells.
Potassium is a chemical element of the periodic table with chemical symbol K and atomic number 19 with an atomic weight of 39.0983 u and is classed as alkali metal and is part of group 1 (alkali metal). Potassium is solid at room temperature.
Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: 39.0983 amu Melting Point: 63.65 °C (336.8 K, 146.57 °F) Boiling Point: 774.0 °C (1047.15 K, 1425.2 °F) Number of Protons/Electrons: 19 Number of Neutrons: 20 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 0.862 g/cm 3 Color: silvery Atomic Structure
