How many isotopes does potassium have

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How many electrons does potassium K contain? (click to see image) answer choices . 19. 39. 20. 40. ... How are isotopes are used in society? answer choices

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How many neutrons does an atom of carbon-12 have? To find out, simply take the mass number and subtract from it, the atomic number: 12 - 6 = 6. Hydrogen has three isotopes as shown below. 1. How many neutrons does protium have? How about deuterium and tritium? 2. Use the diagram of an atom to answer the questions: a. What is the atomic number ...Potassium-42 Potassium-42 is used to measure the level of exchangeable potassium in the heart’s blood flow. It has a half-life of 12 hours. Radium-223 Radium-223 emits soft x-rays and is used primarily for brachytherapy. It has a half-life of 11.4 days. Rhenium-186 Rhenium-186’s weak gamma rays are used for imaging. It is also a beta emitter.

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Iodine-131 . An inevitable byproduct of nuclear fission is the production of fission products which are highly radioactive. Iodine-131 is a major concern in any kind of radiation release from a nuclear accident because it is volatile and because it is highly radioactive, having an 8 day half-life.

How many neutrons are present in an atom of fluorine, which has a mass number of 19 and an atomic number of 9? [A] 19 [B] 10 [C] 9 [D] 28 _____7. An atom with 34 neutrons and 16 protons has a mass number of [A] 18 [B] 50 [C] 16 [D] 68 _____8. For the atom above with 34 neutrons and 16 protons, how many electrons does it have?