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Apple ICloud Wiklpedia Facebook Twitter Linkedin The Weather Channel TripAdvisor Apple Disney Yahool Goo CH 02 HW CH 01 Hw CH 09 HW ymbols ols My Answers Glve Up Correct protons. Their Part D Ca. How many neutrons are inthe nucleus of this atom? c particles. ch is about s, and are outside the ar model, center of an d as shown in y, all chemistry rent atoms of Anatom of calcium is represented by Express your answer as an integer. Hints neutrons i Ca . 20 ons are assigned Submit My Answers Give Up rons have ey do not have a he nucleus at the Part E Give the nuclear symbol for the isotope of phosphorus for which A = 317 Enter the nuclear symbol for the isotope (e.g., He). Hints nucleus 16 Submit My Answers Give Up Incorrect: Try Again; 5 attempts remaining

Explanation / Answer

PART D:

atomic number = number of electrons or protons in neutral atom

Mass number = number of protons + number of neutrons

number of neutrons = mass number - number of protons = 42 - 20 = 22

PART E:

15P31

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