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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Please help with 4&5
Transcribed Image Text:isotope.
3. Count the total number of atoms of each
4. Using the individual amounts of beans, determine the total
record.
5. Determine the abundance of each isotope using the formula and record the results.
a. Abundance =
Number of Beans of Isotope #
Total Number of Beans
6.
Using a balance, measure the total mass of all the atoms of each isotope individually (
the mass of all of the same bean).
7.
Record the total mass in the data table.
8. Find the typical mass of ONE atom of each isotope by dividing the total mass by the n
atoms. Record the result in the data table,
9. Multiply the abundance (as a decimal) of each isotope by its mass to find the produc
record the result in the last column of the data table.
10. Add the products in the last column to find the "atomic mass" of the element beanium
Prelab:
1. What are the main particles that make up the atom.
2. What is the mass number of an isotope and how does that differ from the mass on the
table?
3. Complete the following table for various isotopes and ions. Assume the atom is neut
noted with a difference in electrons and protons:
#neutrons
Element
Manganese
Sodium
# of
protons
25
# of
electrons
35
10
Bromine
Yttrium
Arsenic
Actinium
4. Write the beta decay of Rn-222.
5. Write the alpha decay of Np-237.
36
30
12
45
Atomic #
39
Mass
Number
89
75
227
Expert Solution
Step 1
We have to write the equations for
beta decay of Rn-222
alpha decay of Np-237
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