Gabriel performed a flame test on a sample of an unknown salt and observed a yellow flame. Most of the photons emitted by the flame had an approximate wavelength of 590 nanometers. Which metal ion was most likely present in Gabriel's salt sample?

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

Determine the number of moles of air present in 1.35 l at 750 torr and 17.0°c. which equation should you use? n=pv/rt what is the number of moles present? ⇒ 0.056 mol a sample of n2 gas occupying 800.0 ml at 20.0°c is chilled on ice to 0.00°c. if the pressure also drops from 1.50 atm to 1.20 atm, what is the final volume of the gas? which equation should you use? v2= p1v1t2/p2t1 what is the final volume of the gas? ⇒ 932 ml these are the answers

How can nonpolar molecule contain polar covalent bonds