WebHydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. The chemical symbol for Hydrogen is H.. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the Universe, … Germanium is a chemical element with the symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms … See more In his report on The Periodic Law of the Chemical Elements in 1869, the Russian chemist Dmitri Mendeleev predicted the existence of several unknown chemical elements, including one that would fill a gap in the See more The major end uses for germanium in 2007, worldwide, were estimated to be: 35% for fiber-optics, 30% infrared optics, 15% polymerization catalysts, and 15% electronics and solar electric applications. The remaining 5% went into such uses as phosphors, … See more • Germanene • Vitrain • History of the transistor See more Under standard conditions, germanium is a brittle, silvery-white, semi-metallic element. This form constitutes an allotrope known as α … See more About 118 tonnes of germanium were produced in 2011 worldwide, mostly in China (80 t), Russia (5 t) and United States (3 t). … See more Germanium is not considered essential to the health of plants or animals. Germanium in the environment has little or no health impact. This is primarily because it usually occurs only as a trace element in ores and carbonaceous materials, and the various industrial … See more • Germanium at The Periodic Table of Videos (University of Nottingham) See more
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WebChemistry questions and answers Consider the bromite (Bro,) anion. What is the central atom? Enter its chemical symbol. How many lone pairs are around the central atom? What is the ideal angle between the bromine-oxygen bonds? WebMar 22, 2024 · Determine the number of protons, neutrons, and electrons in an atom. Identify the charge and ... hotels near pactola lake
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WebDec 22, 2013 · The symbol for an isotope of an element such as #"O"# is often written as #""_8^16"O"^n#.. The #"O"# is, of course, the symbol for an oxygen atom.. The subscript represents the atomic number #Z#, the number of protons in the nucleus.. The upper left superscript represents the mass number #A#, the total number of protons and neutrons … WebGermanium hydride (Ge 2 H 6) Germanium tetrachloride (GeCl 4) Interesting facts: In its natural state it is brittle and crystalline. It is a gray-white metalloid. It is less abundant than either tin or lead. Its ores are rare. It's an element that was predicted by Mendeleev in 1871. Common Uses: Electronic applications when combined with ... WebConsider the following atoms in which the chemical symbol of the element is represented by X: What atoms have the same number of protons? 16/8 X 16/9 X 18/10 X 17/8 X 18/8 X 16/8X; 17/8 X; 18/8 X Which atoms are isotopes? 16/8X; 17/8 X; 18/8 X Of what element? oxygen Which atoms have the same mass number? 16/8 X and 16/9 X AND 18/10 X and … hotels near paddington