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6. If the mass of Silicon is 31 and its electron is 16, what is its number of protons? а. 15 b. 16 c. 31 d. 47

6. If the mass of Silicon is 31 and its electron is 16, what is its number of protons? а. 15 b. 16 c. 31 d. 47

Chemistry
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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6. If the mass of Silicon is 31 and its electron is 16, what is its number of protons? а. 15 b. 16 с. 31 d. 47 7. Iron-59 can be used in a. Anemia diagnosis b. Cancer detection and treatment c. Gamma ray radiation of tumor d. Liver disease diagnosis 8. How many neutrons does isotope Iodine-127 has? а. 71 b. 72 c. 73 d. 74 9. The half-life of carbon-14 is a. 5530 yrs. old b. 5630 yrs. old c. 5730 yrs. old d. 5830 yrs. old 10. How many neutrons does deuterium has? а. 1 b. 2 с. 3 d. 1 11. It refers to the amount of time it takes for half of a substance to decay. а. Beta ray b. Half-life c. Isotope d. Radioactivity 12. How many electrons does iodine-128 has? а. 13 b. 14 15 d. 16 с.
Transcribed Image Text:6. If the mass of Silicon is 31 and its electron is 16, what is its number of protons? а. 15 b. 16 с. 31 d. 47 7. Iron-59 can be used in a. Anemia diagnosis b. Cancer detection and treatment c. Gamma ray radiation of tumor d. Liver disease diagnosis 8. How many neutrons does isotope Iodine-127 has? а. 71 b. 72 c. 73 d. 74 9. The half-life of carbon-14 is a. 5530 yrs. old b. 5630 yrs. old c. 5730 yrs. old d. 5830 yrs. old 10. How many neutrons does deuterium has? а. 1 b. 2 с. 3 d. 1 11. It refers to the amount of time it takes for half of a substance to decay. а. Beta ray b. Half-life c. Isotope d. Radioactivity 12. How many electrons does iodine-128 has? а. 13 b. 14 15 d. 16 с.
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