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BIOL 1121 UPDATED Exam Questions and CORRECT Answers
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If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have?a. 54 Atoms that vary in the number of neutrons found in their nuclei are called __________.d. isotopes Potassium has an atomic number of 19. What is its electron configuration?c. shells 1, 2 and 3 are full and shell 4 has one electron Which type of bond represents a weak chemical bond?a. hydrogen bond Which of the following statements is not true?d. Water is the most abundant molecule in the Earth's atmosphere
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