Un catión tetravalente tiene 50 electrones, si la cantidad de neutrones excede en 20 a su número atómico; hallar su número de masa. a) 162 b) 128 c) 281 d) 234

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

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

Which three statements represent the benefits of performing experiments using computer simulations?