Quick i need answers in 10! several models of atoms were mentioned in the lesson this week. plum pudding, planetary and quantum mechanical. which reason below explains why there are different atom models?
question 7 options:

because there are different kinds of atoms

because many people came up with different models at the same time

because the ideas for models changed as new discoveries were made about the atom

because artists make the models and they have different styles.

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.