1. En la fabricación de una bengala de luz azul, se utilizó el cloruro del metal con número de +2, la fórmula química del compuesto es A. CoCl2
B. CuCl2
C. CuCl
D. CoCl

How many grams of naoh are needed to make 0.250 liter of a 0.500 m solution of naoh? 0.125 g 5.00 g 2.00 g

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center