An atom emits a photon of wavelength 1.08 meters. what is the energy change occurring in the atom due to this emission? (planck's constant is 6.626 × 10-34 joule seconds, the speed of light is 2.998 × 108 m/s)

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

In one or two grammatically correct sentences, write a definition for the term molecule geometry