Quais as grandezas para calcular a energia potencial gravitica

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.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

What does the symbol (–hfus) indicate in a phase change?