periodic table valence electron configuration

Molar Mass Calculations and Javascript Calculator.

Introduces stoichiometry and explains the differences between molarity, molality and normality. Related ResourcesĪnswers many questions regarding the structure of atoms.

Common Chemical Compounds of Germanium ReferencesĪ list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

Other compounds include: Germanium dichloride Ge Cl 2, Germanium dioxide GeO 2, Germanium tetrachloride GeCl 4 this is very irritating to eyes and membranes. Germaine is a hazardous substance UN2192 which is classified as a poisonous gas (2.3). 'Germaine' or germanium hydride is a colorless gas GeH4 prepared by the action of lithium aluminum hydride on germanium halide in an ether solution. There are several compounds which contain germanium. It is a poor conductor and is used in electronics in rectifying devices and transistors. When crystalized it has a diamond cubic structure.

Additional Notes: In the elemental form it is a lustrous white, brittle metaloid.

Uses of Germanium: Widely used in semiconductors, infrared prisms, reflectors in projectors, wide angle lenses and dentistry.

Annual world wide production is around 80 tons.

Sources of Germanium: Obtained from refining copper, zinc and lead.

Name Origin: Latin: Germania (Germany).

70kg human: 5 mg Who / Where / When / How Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.

Vapor Pressure = C Regulatory / Health.

Flammablity Class: Combustible Solid, fine dust is easily ignited.

Enthalpy of Vaporization: 334.3 kJ/mole.

Enthalpy of Atomization: 376.6 kJ/mole 25☌.

It is unaffected by acids (except HNO 3) and alkalis.

Description: Hard brittle grayish-white metalloid that is stable in air and water.

Conductivity Electrical: 1.45E -8 10 6/cm Ω.

Coefficient of lineal thermal expansion/K -1: 5.57E -6.

Valence Electron Potential (-eV): 109 Physical Properties of Germanium.

Electronegativity: 2.01 (Pauling) 2.02 (Allrod Rochow).

Electrochemical Equivalent: 0.6771g/amp-hr.

Valence Electrons: 4s 2p 2 Electron Dot Model.Number of Neutrons (most common/stable nuclide): 41.Number of Electrons (with no charge): 32.Electrons per Energy Level: 2,8,18,4 Shell Model.Electron Configuration: 1s 2 2s 2p 6 3s 2p 6d 10 4s 2p 2.Crystal Structure: Cubic face centered.Cross Section (Thermal Neutron Capture)σ a/ barns : 2.2.Swedish: Germanium Atomic Structure of Germanium.Series: Metalloids ( Metals) Germanium's Name in Other Languages.Common Chemical Compounds of Germanium Overview of Germanium.In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies. Common chemical compounds are also provided for many elements.

Skip to site menu on this page Periodic Table of Elements Element Germanium - GeĬomprehensive data on the chemical element Germanium is provided on this page including scores of properties, element names in many languages, most known nuclides of Germanium.

Periodic table valence electron configuration