Chemistry 115 Purdue Past Exam Questions with 100% Correct Answers | Verified | Latest Update 2024 | 100% Pass| Rated A+

Chemistry 115 Purdue Past Exam Questions with 100% Correct Answers | Verified | Latest Update 2024 | 100% Pass| Rated A+ . A gallium-69 ion (69Ga2+) contains (a) 69 protons, 31 neutrons and 33 electrons. (b) 31 protons, 38 neutrons and 29 electrons. (c) 31 protons, 69 neutrons and 29 electrons. (d) 69 protons, 31 neutrons and 29 electrons. (e) 31 protons, 38 neutrons and 33 electron - (b) 31 protons, 38 neutrons and 29 electrons. The stable isotopes of neon (Ne) are: neon-20 (20Ne), neon-21 (21Ne), and neon-22 (22Ne). Neon-23 (23Ne), however, is radioactive. What is the most likely type of radioactive decay for neon-23? (a) beta decay (b) positron decay (c) electron capture (d) spontaneous fission - (a) beta decay 3. What happens to the mass number and the atomic number of a radioactive nuclide when it undergoes electron capture? - (e) The mass number does not change and the atomic number decreases by 1.