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An isotope of the element fluorine has 9 protons and 10 neutrons. What is the name of this isotope?
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An isotope of the element fluorine has 9 protons and 10 neutrons. What is the name of this isotope?

User Sanderbee
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Answer:19 is your answer

Step-by-step explanation:

User Jake Greene
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The number that appears after the symbol of the element is the mass number. Mass number is calculated by adding the number of protons and neutrons. Thus, for this item, the mass number is 19. The name of the isotope is Fluorine -19. 
User Krythic
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