What is Zr? Important Knowledge about Zr

Definition of Zr: 1.1 Names: 1.1.1 Common name: Zirconium 1.1.2 English name: Zirconium 1.2 Atomic number: 40 1.3 Atomic mass: 91.22 1.4 Ion structure: Zr4+ Properties of Zr: 2.1 Physical properties of Zr: State: solid metal, grayish-silver in color Color: Silver-gray Odor: Odorless pH: Not applicable 2.2 Chemical properties of Zr: Zirconium is very resistant … Read more

What is Medicine? The important knowledge in Medicine.

It’s unclear what chemical substance Y referred to in the question is, so here’s an example with water (H2O) to illustrate how to write: Definition of H2O: This is a fairly familiar compound, also known as water. The structure of water consists of 2 hydrogen atoms and 1 oxygen atom. The atomic mass of water … Read more

What is Sr? Important knowledge about Sr.

Definition of Sr: Sr is the chemical symbol for the element Strontium, belonging to group 2, period 5 of the periodic table of chemical elements. Strontium has 4 natural isotopes, in which Sr-88 accounts for the highest ratio (82.58%). Strontium has atomic mass of 87.62 and atomic weight of 87.62 u. Its atomic structure includes … Read more

What is Rb? Important knowledge about Rb.

Definition of Rb 1.1 Names 1.1.1 Common name: Rubidi 1.1.2 English name: Rubidium 1.2. Atomic mass: 85.47 1.3. Atomic weight: 85.4678 u 1.3.1 Molecular structure: Rb 1.4 Ion structure: Rb+ Properties: Rb 2.1 Physical properties of Rb State: Soft metal, silver-white Color: Silver-white Smell: Odorless PH level: Not applicable 2.2 Chemical properties of Rb: Rb … Read more

What is Kr? Important knowledge about Kr.

Definition of Kr Kr is the chemical symbol for Krypton, a colorless, odorless, tasteless, non-flammable substance that emits blue light under suitable conditions. Krypton is present in the air at a very low ratio, only about one part per million. 1.1 Names 1.1.1 Common name: Krypton 1.1.2 English name: Krypton 1.2. Atomic mass: 83.798 g/mol … Read more

What is Br? Important knowledge about Br.

Definition of Br Br, also known as Brom, is a chemical element with the symbol Br and atomic number 35. In English, we call it Bromine. It has an atomic mass of 79.904 and belongs to Group 17 on the periodic table, also known as the halogen group. The molecular structure of Bromine is Br2, … Read more

What is Selenium? Important knowledge about Selenium.

Definition of Se Se or Selenium is a chemical element with the symbol Se and atomic number 34. It’s a nonmetal with a metallic gray color, and it’s rare to find it in nature in its elemental form. Instead, Se is commonly found in certain minerals. 1.1 Names: 1.1.1 Common name: Selenium 1.1.2 English name: … Read more

What is Ace? Important knowledge about Ace.

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

What is Ge? Important knowledge about Ge.

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

What is a station? Important knowledge about stations.

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