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***For numbers 11 - 15, please refer to the table below. Try to complete the table first to get the correct answers to numbers 11 – 15. letter atomic number 9 mass number 19 number of protons number of electrons number of neutrons 10 A 9 9 18 B 8 10 19 C 7 10 9 D 7 11. How many protons and electrons does letter A have? A. 9 protons and 9 electrons C. 10 protons and 9 electrons B. 10 protons and 10 electrons D. 9 protons and 10 electrons C. 10 D. 11 12. How many neutrons does letter C have? A. 8 B.9 D. 19 C. 17 13. What is the mass number of letter D? A. 14 B. 16 D. B and D C. C and D 14. Which letters represent ions? A. A and B B. B and C D. + 3 C.-3 15. What is the charge of letter D? A 0 B.-1​

For Numbers 11 15 Please Refer To The Table Below Try To Complete The Table First To Get The Correct Answers To Numbers 11 15 Letter Atomic Number 9 Mass Number class=