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Isotopes - KEY - vonsteuben.org

NO, CARBON-12 AND CARBON-13 ARE ISOTOPES OF CARBON BUT HAVE DIFFERENT MASS NUMBERS. 12. Considering your answers to Question 11, work with your group to write a definition of isotope using a sentence. ISOTOPES ARE ATOMS OF THE SAME ELEMENT WITH DIFFERENT MASS NUMBERS. 13. Consult the following list of isotopes symbols: a.



Isotopes Worksheet Uamz- 1. What is an isotope? 2. What does the number next to isotopes signify? 3. How can you tell isotopes apart? For each of the following isotopes, write the number of protons, neutrons, and electrons.


Isotopes - Practice Worksheet - Hopkins High School

Isotopes - Practice Worksheet Backg rou nd I nformation : Atoms of a given element which have the sdme number of protons but different numbers of neutrons are colled isofopes. Thus, isotopes have ihe same position in the periodic table, the some chemicol properties ond the same atomic chorge.


Isotopes Worksheet - Sault Schools

PART I. Answer the questions based on the above reading. 1. What is an isotope? When an atom of a given element has the same number of protons, but differs in the number of neutrons, 2. What does the number next to isotopes signify? The atomic mass signifies the number next to the isotope. 3. How can you tell isotopes of the same element apart?


Isotope Answer Key Worksheets - Printable Worksheets

Isotope Answer Key. Showing top 8 worksheets in the category - Isotope Answer Key. Some of the worksheets displayed are Isotopes, Radioactive decay work, Abundance of isotopes name chem work 4 3, Isotopes work with answers, Isotopes work, Isotope practice work, Atoms and isotopes work, Examples lithium 7 x 3 li 3 protons 4 neutro s.


Isotope Practice Worksheet - harrischemistry.com

Naturally occurring europium (Eu) consists of two isotopes was a mass of 151 and 153. Europium-151 has an abundance of 48.03% and Europium-153 has an abundance of 51.97%.


Isotope Practice Worksheet - Chemistry

Name: Answer Key Class: Gr.11 Isotope Practice 1. Here are three isotopes of an element: 12C 14 13C C a. The element is: Carbon b. The number 6 refers to the Atomic Number c. The numbers 12, 13, and 14 refer to the Mass Number d. How many protons and neutrons are in the first isotope? 6 protons & 6 neutrons e.


Atoms and Isotopes Worksheet

Atoms and Isotopes Worksheet 1. Fill in the table with the correct information. Isotope Isotope Notation Atomic # Protons Electrons Neutrons Oxygen-16 Bromine-80 Uranium-235 Copper-64 2. Describe the general arrangement of subatomic particles in the atom. 3.


EXAMPLES Lithium-7 X 3 Li 3 protons 4 neutro s

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. Recall that the atomic number is the number of protons. Answer the following questions about atoms. 1. The identity of an atom is determined by the number of _____. 2.


Abundance of Isotopes Name Chem Worksheet 4-3

7. Antimony has two naturally occurring isotopes. The mass of antimony-121 is 120.904 amu and the mass of antimony-123 is 122.904 amu. Using the average mass from the periodic table, find the abundance of each isotope. (Remember that the sum of the two abundances must be 100). Abundance of Isotopes Name _____ Chem Worksheet 4-3