Present 5 chemical reactions involved in biological and industrial processes affecting life, A: This question concerns the work done by J.J Thomson. Chlorine monofluoride, ClF, and iodine monofluoride, IF, are interhalogen compounds compounds that contain bonds between different halogen elements. 31, 7780 (2010). cesium (Cs), also spelled caesium, chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, "sky-blue"). It is created when the, A: [a.] Na(s) Hsublimation = 88 kJ/mol Na(g) Ionization (c) A molecule composed of 2 hydrogen atoms. It measures the ease with which an atom gains an electron. What ions compose the compound magnesium phosphide? A: The number of lead atoms can be calculated as follows: A: Static Electricity is a static or stationary charge produced by friction. An ionic compound has the general form, XCly. Which of the following is isoelectronic with P3? d. sodium and neon Find out how you can intelligently organize your Flashcards. Phosphorus is a nonmetal that forms an anion with a 3- charge. Radiocaesium does not accumulate in the body as readily as other fission products (such as radioiodine and radiostrontium). In the ionic compound XY3, if X has a charge of __________ then Y has a charge of __________. Chapter 7 Review Questions Flashcards | Quizlet P phosphorus P3-phosphide ion CN cyanide ion HCN (aq) hydrocyanic acid . Cesium tends to be the most reactive of the stable alkali metals (francium, Fr, is radioactive and has not been extensively studied). Which of the following statements is correct and provides the best explanation when removing the first two electrons from calcium? energy of InBr(s)? [71] The pure metal was eventually isolated by the Swedish chemist Carl Setterberg while working on his doctorate with Kekul and Bunsen. The number of protons in the nucleus of the atom and the number of electrons in the atom.
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