Discover Questions

Ni2+ and Tm3+ ions have the same number of
unpaired electrons. Why do they have different
magnetic moments ? How many grams of CO2 are formed if 46.2g of C5H12 is mixed with 108g of O2? Formula: C5H12(g)+8O2(g)→5CO2(g)+6H2O(g)? A ray of light has a wavelength of 284 nm in glass (n=1.51). What is its wavelength in a vacuum?
Unit= nm? Iron fe has an atomic mass of55.85g/mol and an atomic radius of 124pm.What is the side length of its unit cell?Also find expected density? Pre-Calculus Problem??