How many protons, neutrons and electrons are in an ion represented as 77Se2-? 77 p+, 34 n0, 79 e- 34 p+, 77 n0, 36 e- 34 p+, 43 n0, 36 e- 77 p+, 43 n0, 79 e-
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The symbol "Se" represents the element Selenium, which has an atomic number of 34. This means it has 34 protons. Show more…
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