Question #20564 Chemistry Nuclear Chemistry Isotope Notation 1 Answer mradul tiwari Mar 25, 2017 #""_9^19F# Explanation: 9 protons and 10(=19-9)neutrons Answer link Related questions What is the isotope notation for lithium? What is the isotope notation for carbon-14? What is the isotope notation for cobalt? In an isotope, which part of the atom changes? What are some examples of isotope notations? What are some common mistakes students make with isotope notation? What is an isotope? What does the superscript of an isotope notation mean? How many neutrons does Uranium-238 have if it has 92 protons? What is the difference between isotope notation and hyphen notation? See all questions in Isotope Notation Impact of this question 2093 views around the world You can reuse this answer Creative Commons License