11. Which best describes isotopes? a. Same number of neutrons, different number of electrons b. Same number of protons, different number of neutrons c. Same number of protons, different number of electrons d. Same number of neutrons, different number of protons 12. Bismuth-213 is an isotope used in radiation therapy to treat leukemia. What is the isotopic symbol of this element? a. 2Bi b. Bi c. 2Bi d.Bi 13. Which pair of elements can form an ionic compound? a. carbon and oxygen b. magnesium and chloride c. lithium and sodium d. sulfur and bromine

11. Which best describes isotopes? a. Same number of neutrons, different number of electrons b. Same number of protons, different number of neutrons c. Same number of protons, different number of electrons d. Same number of neutrons, different number of protons 12. Bismuth-213 is an isotope used in radiation therapy to treat leukemia. What is the isotopic symbol of this element? a. 2Bi b. Bi c. 2Bi d.Bi 13. Which pair of elements can form an ionic compound? a. carbon and oxygen b. magnesium and chloride c. lithium and sodium d. sulfur and bromine

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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These isotopes 2. Sulfur exists in nature as three isotopes. If the atomic have isotopic masses 32.00, 33.00, and 34.00. weight of sulfur is 32.08, which one of the following statements must be correct? a. b. C. d. e. f. g. 34s is more abundant than either 32s or 33g 32s is less abundant than 34s 32s is more abundant than either 33s or 34g 33s is the most common isotope 33g is less abundant than 34s 34s must be the most abundant isotope of sulfur the question is impossible to answer without more information
3. Carbon-14 is an isotope: A. it has the same number of protons and electrons as Carbon-12, but a different number of neutrons B. It has the same number of protons and neutrons as Carbon-12, but a different number of electrons. C. it has a different number of protons thanCarbon-12 D. it is not an isotope of Carbon-12 4. The atomic number is equivalent to which of the following? A. The number of nucleons in the atom. B. The number of protons in the atom. C. The number of neutrons in the atom. D. None of the above.
a. What element has 35 protons? b. What element has 83 electrons? c. What element has 25 protons? d. What element has 0 neutrons? e. What element has 18 electrons?
A3-42. Write the complete chemical symbol (4E) for the isotope of copper with the following individual characteristics. a. 32 more neutrons than protons b. Two more subatomic particles than Zn c. The same number of neutrons as Ni d. The same number of nucleons as 00Zn
37.) Consider particle A with a mass number of 62, atomic number 32 and an ionic charge of +2. Which of the following is correct a. A has an equal number of protons and neutrons b. A has an equal number of protons and electrons c. A has an equal number of neutrons and electrons d. A has an equal number of protons, electrons and neutrons
37. Which of the following statements is not correct? A. A cation is formed when an atom loses one or more electrons. B. An anion is formed when an atom gains one or more electrons. 1 mole of neon, Ne, has a mass of 6.02 x 1023 g. 1 mole of chromium, Cr, has a mass of 52.0 g.
6. The most prevalent isotope of lead (Pb) has Z = 82 and A = 208. a. How many protons, neutrons, and electrons are in the above isotope? Protor electron b. Write the symbol of another isotope of lead with 132 neutrons. C. Write the symbol of another isotope of lead with 131 neutrons.
5. Which of the following particles has the smallest mass? A. Electron B. Proton C. Neutron D. Nucleus 6. How many electrons are in the atom A. 3 B. 6 C. 9 D. 12 12 C 6
10. If you know ONLY the following information can you ALWAYS determine what the element is? (Yes/No) a. Number of protons b. Number of neutrons c. Number of electrons in a neutral atom d. Number of electrons
Give the number of protons, electrons, and neutrons in the following isotope: 125/52 Te Select one: a. 31 protons, 31 electrons, 52 neutrons b. 41 protons, 41 electrons, 62 neutrons c. 52 protons, 62 electrons, 125 neutrons d. 52 protons, 52 electrons, 73 neutrons
7. How many neutrons are there in carbon-14 A. 6 B. 8 C. 14 D. 20 8. How many protons are there in an atomic with 8 neutrons and 10 electrons A. 8 B. 10 C. 2 D. 18
54. Write the atomic symbol (X) for each of the isotopes described below. a. number of protons = 27, numbe of neutrons b. the isotope of boron with mass number 10 c. Z = 12, A= 23 31 d. atomic number 53, nuuber of ncutrons = 79 e. Z = 9, numbe of peutrons=10 f. number of protons = 2Y 1naNS Dumber 65