객관식Silver has an atomic number of 47 and its most abundant isotope has a mass number of 108. How many neutrons are present in this isotope of silver?181views
객관식Fluorine has an atomic number of 9 and an atomic mass of 19. How many neutrons are present in a typical atom of fluorine?215views
객관식An atom of the isotope ¹³C contains how many protons (p), neutrons (n), and electrons (e)?136views
객관식Which of the following correctly describes how to calculate the number of neutrons in the nucleus of an atom?128views
객관식Which of the following is the correct name for the silicon isotope with a mass number of 32?112views
객관식Which of the following is the correct nuclear symbol for the isotope of argon with mass number 38?103views