In an electron capture process, which of the following occurs? A) Number of electrons increases B) Number of protons increases C) Number of neutrons increases D) All of the above E) None of the above

PRACTICE QUESTIONS  42  of 48 Radioisotopes are used   in computer screens   in galvanic cells   as tracers in scientific studies   in rechargeable batteries Question 43  of 48 What is the nuclear binding energy for a mole of beryllium (Be-9), whose mass is 9.01218? (mass of a proton = 1.00728 AMU; neutron = 1.00866)   5.41x1015J   5.41x1012J   8.11x1017J   8.11x1014J

Practicce chemistry question

Which of the following occurs during positron emission? A) Atomic number decreases B) Atomic mass increases C) Number of neutrons decreases D) All of the above E) None of the above

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