An Atom Of Potassium Has 19 Protons And 20 Neutrons. What Is Its ...

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An atom of potassium has 19 protons and 20 neutrons. what is its mass number? An atom of potassium has 19 protons and 20 neutrons. what is its mass number?

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Chemistry: Structure and Properties Nivaldo Tro 2nd Edition

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Transcript

00:01 Hello students, here we're requesting number of protons and number of neutrons for potassium is given. 00:06 We have to find out this a, that is mass number. 00:09 How will find that? in order to ask this, we have to know that potassium have an atomic number of nitrogen, that will be equal to number of protons. 00:21 And there is an equation connecting number of protons, that is atomic number set, mark number a, and number of neutrons. 00:27 And the equation is number of neutrons. 00:33 Is equal to mass number a minus atomic number set... Need help? Use Ace Ace is your personal tutor. It breaks down any question with clear steps so you can learn. Start Using Ace Ace is your personal tutor for learning Step-by-step explanations Instant summaries Summarize YouTube videos Understand textbook images or PDFs Study tools like quizzes and flashcards Listen to your notes as a podcast

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