D. Isotopes and Atomic iMass Reading list 1 Nuclear Symbol Protons Neutrons Electrons 107 47Ag Ag 109 2. Nuclear Symbol Isotopic Mass Percent Abundance 107 Ag 106.9 51.84% 109 108.9 48.15% (Show calculations here) Questions and Problems Q4 A neutral atom has a mass number of 80 and has 45 neutrons. Write its atomic symbol. Q5 An atom has two more protons and two more electrons than the atom in Question 4. What is its atomic

D. Isotopes and Atomic iMass Reading list 1 Nuclear Symbol Protons Neutrons Electrons 107 47Ag Ag 109 2. Nuclear Symbol Isotopic Mass Percent Abundance 107 Ag 106.9 51.84% 109 108.9 48.15% (Show calculations here) Questions and Problems Q4 A neutral atom has a mass number of 80 and has 45 neutrons. Write its atomic symbol. Q5 An atom has two more protons and two more electrons than the atom in Question 4. What is its atomic

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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IV. Supply the missing data in the table below. Use your periodic table of elements. Atomic Number Atomic Number of Number of Number of Mass Symbol Protons Electrons Neutrons Number 3274GE 32 32 74 37 37 36 49 8160 8 8 16 53 53 54 74 82 82 82 208
Enter your answer in the provided box. 121 The atomic masses of the two stable isotopes of antimony, Sb (57.30 percent) and 51 123 Sb (42.70 percent), are 120.9038 amu and 122.9042 amu, respectively. 51 Calculate the average atomic mass of antimony. amu
1. The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is represented by the symbol shown below? 7Li O A 2 neutrons OB. 13 neutrons C. 4 neutrons O D. 7 neutrons 2. The atomic number of fluorine is 9. How many electrons does an ion of fluorine have if it is represented by the symbol shown below? 19F1- O A 8 electrons O B. 9 electrons C. 10 electrons O D. 20 electrons 3. The electron dot diagram for a neutral atom of chlorine (atomic number 17) is shown below. Which of the following symbols represents a chlorine ion with a stable arrangement of eight valence electrons? CI: A 35C1¹- B. 35C12- C. 35C11+ O D. 35cl
1- For each of the following atoms, calculate the number of protons and neutrons in the nucleus and the number of electrons outside the nucleus (assume neutral atoms). element number of number of number of electrons mass number (A) symbol 126C protons (Z) neutrons 12 10 12 10 14 27 10 23,1Na 11 17 18 2- Calculate the atomic mass to four significant figures for carbon, given the following data: Isotope Exact Atomic Mass (amu) 12.00000 13.00335 Abundance in Nature (%) 98.89 1.110 12C 13C