Nurs 480 Quiz 1 (with answers)
Question 12. Question : (TCO 2) Determine the number of protons, neutrons, and electrons for the element shown below. The mass number for the isotope of this element is 81. You must show your work for each determination to receive credit (2 points per determination). 35 Br 79.90 Student Answer: Protons 35 Neutrons 44 Electrons 35 Instructor Explanation: See Chapter 3. The atomic number from the periodic table of elements is 35. Therefore, the number of protons is 35 (2 points). The number of protons equals the number of electrons; thus, there are 35 electrons (2 points). If the mass number is 81, then there are 46 neutrons (number of neutrons = mass number - number of protons). Points Received: 4 of 6 Comments:
Escuela, estudio y materia
- Institución
-
West Coast University
- Grado
-
NURS 480 (NURS)
Información del documento
- Subido en
- 13 de noviembre de 2021
- Número de páginas
- 5
- Escrito en
- 2020/2021
- Tipo
- Examen
- Contiene
- Preguntas y respuestas