The atomic number of chlorine is 17.
25. give the electron configuration for a neutral atom of chlorine ( explain because i see the same answer everywhere, but i don't understand it)
26. explain how the understanding of the atomic emission spectrum led to the development of the atomic theory.
27. explain why the 4s sublevel fills before the 3d sublevel begins to fill as electrons are added.
28. describe the trends in first ionization energy within groups and across periods in the periodic table. provide examples.
Answers: 3
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Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Chemistry, 23.06.2019 01:00, birdman2540
Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
Answers: 2
The atomic number of chlorine is 17.
25. give the electron configuration for a neutral atom of...
25. give the electron configuration for a neutral atom of...
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