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Isotope Practice 1. Here are three isotopes of an element: 12C 13C 14C a. The element is: _____ b. The number 6 refers to the _____ c. The numbers 12, 13, and 14 refer to the _____ d. How many protons and neutrons are in the first isotope? _____ e.
To distinguish between the different isotopes of an atom, the element is named with its mass number, for example lithium-7. Remember that the mass number is the number of protons and neutrons. When symbols are used to represent an isotope the mass number is written next to the symbol on the top left. The atomic number is written on the bottom left.
Fill in the isotope names and any missing information, including isotope numbers from the chart. Use your periodic table and the information provided. The Isotopes in each chart are the same element.
For each of the following isotopes, write the # of protons, neutrons, and electrons. Fill in the isotope names and any missing information, including isotope numbers from the chart. Use your periodic table and the information provided.
Chemistry Worksheet NAME: _____ Isotope Notation Block: _____ Copyright © 2012 by the Newton South High School Science Department, Newton, MA. Page1 of 2 1. Uranium-235 and uranium-238 are considered isotopes of one another. How are uranium-235 similar, and how are they different? 2. Define isotope: 3.
Isotope Practice 1. Here are three isotopes of an element: 12C 13C 14C a. The element is: _____ b. The number 6 refers to the _____ c. The numbers 12, 13, and 14 refer to the _____ d. How many protons and neutrons are in the first isotope? _____ e.
Isotope Practice 1. Here are three isotopes of an element: 12C 13C 14C a. The element is: _____ b. The number 6 refers to the _____ c. The numbers 12, 13, and 14 refer to the _____ d. How many protons and neutrons are in the first isotope? _____ e.
