Chemistry, 18.10.2020 06:01 vanessacasillas452
If the electron configuration of an atom of element X is 1s22s22p4, which of the following is the number of valence electrons for this element?
Answers: 2
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Un cierto gas tiene un volumen de 800ml a 80°c y 600ml a 80°c y 600mmhg de presión. ¿cual será el volumen del gas a condiciones normales? sà el gas es oxÃgeno, ¿cuál será su peso? y ¿cuántas moléculas están presentes en el sistema?
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Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology
Answers: 2
If the electron configuration of an atom of element X is 1s22s22p4, which of the following is the nu...
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