Definition of As: 1.1 Names: Common name: As (Arsenic) English name: Arsenic 1.2 Atomic mass: 74.92 g/mol 1.3 Atomic weight: 74.92 amu 1.4 Ion structure: As usually appears in the form of a coordination ion with a valence of +3 or +5 Characteristics of As: 2.1 Physical properties of As: State: Solid Color: Grayish Odor: … Read more
Definition of Ge Ge (Germanium) is a chemical element in the periodic table with the symbol Ge and the atomic number 32. The atomic mass of Ge is 72.64 and the molar mass is 72.63 g/mol. Under standard conditions, Ge is a solid with a crystalline structure. In terms of ion structure, Ge can form … Read more
Definition of Ga Ga, also known as Gallium, is represented by Ga in the periodic table of chemical elements. Gallium has an atomic mass of 69.723 and an atomic number of 31. In a Gallium molecule, there is a combination of gallium atoms. Gallium can form Ga+3 ions in the oxidation process. Properties of Ga … Read more
Definition of Zn Zn, also known as Zinc, is a chemical element in the periodic table, denoted by the symbol Zn and the atomic number 30. The atomic mass of Zinc is 65.38 Da and its atomic weight is 65.38. Zn molecules are typically in their elemental state, meaning each molecule consists of only one … Read more
Definition of Cu (Copper) 1.1 Common name: Copper 1.1.2 English name: Copper 1.2 Atomic mass: 63.546 (3) u 1.3 Atomic weight: 63.55 1.3.1 Molecular structure: Copper exists as single atoms. 1.4 Ion structure: Copper can form Cu2+ and Cu+ ions. Properties of Cu 2.1 Physical properties of Cu State: Solid at room temperature Color: Reddish-brown … Read more
Definition of Ni Ni is the abbreviation for Nickel, a chemical element with the symbol Ni and atomic number 28. Nickel belongs to the transition metals category, located in group 10 of the periodic table. Nickel has an average atomic mass of 58.69. Nickel atoms have 28 electrons, 28 protons, and the number of neutrons … Read more
Definition of Co Co is the symbol for the element Cobalt, which belongs to group 9, period 4 on the periodic table. In English, Cobalt is called “Cobalt”. The atomic mass of Co is 58.9332 and the molar mass is 58.9332 g/mol. The composition of a Co atom includes 27 protons, 32 neutrons and 27 … Read more
Definition of Fe: 1.1 The common name of Fe is iron. Its English name is also Iron. 1.2 The atomic mass of iron is 56. 1.3 The atomic weight of iron is also 56. 1.4 The ionic structure of iron is usually Fe2+ or Fe3+. Properties of Fe: 2.1 Physical properties of Fe: Iron is … Read more
Definition of Mn Manganese (Mn), also known as Mangan in Vietnamese, is a chemical element with the symbol Mn and atomic number 25. It is a transition metal with a silvery-white color, hard and very flexible. Manganese has a molar mass of 54.938045 u and is arranged in group 7, period 4 in the periodic … Read more
Definition of Cr Chromium, also known as Crôm (in English is Chromium), symbolized as Cr, is a chemical element in the periodic table with an atomic number of 24 and an atomic mass of 51.9961. Chromium is a hard, ductile metal with good tensile strength. Chromium can exist in various states of oxidation, from Cr(II) … Read more