Have 2.25 g of sodium sulfite Na, sO, How many Na* ions presented?

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt