Situación 1: Cierto catión divalente posee 2 electrones en n=5. Además, su número de masa es igual a 118. Hallar lo siguiente: 1. Su distribución electrónica
2. Su número de neutrones
3. Protones más electrones
4. Sus posibles números cuánticos de su último electrón
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What type of electromagnetic radiation has a shorter wavelength than blue light

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

What type of organic molecule comprises the majority of a potato?