What is Kr? Important knowledge about Kr.

  1. 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
1.3. Atomic weight: 83.798
1.3.1 Molecular structure: Kr is a simple substance, a molecule consists of one Kr atom.
1.4 Ion structure: Kr does not usually form ions, as it belongs to the group of noble gases with a stable electron configuration.

  1. Properties: Kr

2.1 Physical properties of Kr
State: Gas
Color: Colorless
Odor: Odorless
PH level: Not applicable
2.2 Chemical properties of Kr: Very few chemical reactions, only reacts with Fluorine under special conditions.

  1. Common chemical equations with Kr
    Krypton only reacts with Fluorine, so there are no reactions with metals, acids, nonmetals or salts.

  2. Preparation of Kr

4.1 Laboratory Preparation of Kr: Not feasible due to difficulty in control and potential hazards
4.2 Industrial Preparation of Kr: Prepared from air using liquefaction and distillation methods.

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