Search results
Results from the WOW.Com Content Network
Germanium is a chemical element; it has symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid (more rarely considered a metal) in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms ...
Germanium compounds are chemical compounds formed by the element germanium (Ge). Germanium is insoluble in dilute acids and alkalis but dissolves slowly in hot concentrated sulfuric and nitric acids and reacts violently with molten alkalis to produce germanates ([GeO. 3]2−. ). Germanium occurs mostly in the oxidation state +4 although many +2 ...
Germanium dioxide, also called germanium (IV) oxide, germania, and salt of germanium, [1] is an inorganic compound with the chemical formula Ge O 2. It is the main commercial source of germanium. It also forms as a passivation layer on pure germanium in contact with atmospheric oxygen.
Gallium is a chemical element; it has the symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, [10] gallium is in group 13 of the periodic table and is similar to the other metals of the group (aluminium, indium, and thallium). Elemental gallium is a relatively soft, silvery metal at ...
Germanium dichloride is also formed from the decomposition of trichlorogermane, GeHCl 3, at 70 °C. Trichlorogermane is generated when germanium reacts with hydrogen chloride. [1] This reaction involves dehydrohalogenation. GeHCl 3 → GeCl 2 + HCl. Another route to germanium dichloride is the reduction of germanium tetrachloride with hydrogen ...
The β-diketiminato germylene hydride has been reported to react with both ethyl diazoacetate and trimethylsilyldiazomethane, forming germanium(II)-substituted hydrazone derivatives. [12] The reaction progresses by the end-on insertion of the diazoalkane into the Ge(II)-H bond, with subsequent hydrogen transfer to the nitrogen.
e. The metallic elements in the periodic table located between the transition metals to their left and the chemically weak nonmetallic metalloids to their right have received many names in the literature, such as post-transition metals, poor metals, other metals, p-block metals and chemically weak metals. The most common name, post-transition ...
Binary compounds of silicon are binary chemical compounds containing silicon and one other chemical element. [ 1 ] Technically the term silicide is reserved for any compounds containing silicon bonded to a more electropositive element. Binary silicon compounds can be grouped into several classes. Saltlike silicides are formed with the ...