Using a Rydberg equation, show the transitions in the emission spectrum of atomic hydrogen belonging to the Balmer, Pfund, and Paschen series respectively. (a) Balmer series : (b) Pfund series : (c) Paschen series :​

How can one make a supersaturated solution? (apex)

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block