The photoelectron spectrum of nitrogen is represented above. Which of the following best explains how the spectrum is consistent with the electron shell model of the atom?

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Bose-einstein condensation occurs at what temperature?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?