You have an unknown element consisting of two isotopes, one with mass 36.9659 amu (24.22%), and one with mass = 34.9688 amu (75.78%). a. Use the weighted average calculation to obtain the atomic mass (weighted average). Show your calculations. Give final answer in 4 significant digits. b. What is the name of the element? c. What is the atomic symbol?
You have an unknown element consisting of two isotopes, one with mass 36.9659 amu (24.22%), and one with mass = 34.9688 amu (75.78%). a. Use the weighted average calculation to obtain the atomic mass (weighted average). Show your calculations. Give final answer in 4 significant digits. b. What is the name of the element? c. What is the atomic symbol?
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Transcribed Image Text:You have an unknown element consisting of two isotopes, one with mass = 36.9659 amu (24.22%), and one with mass = 34.9688
amu (75.78%).
a. Use the weighted average calculation to obtain the atomic mass (weighted average). Show your calculations. Give final answer
in 4 significant digits.
b. What is the name of the element?
c. What is the atomic symbol?
d. Draw a similar table and fill in the table for the two isotopes. Please write Isotopes in the following format:
= of Neutrons (no decimal
numbers)
Atomic Number
# of Electrons
Atomic Mass (no
decimals)
Isotope
# of Protons
ick Cancel to quit.
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Beg
DELL
insert
prt sc
end
F12
home
F5
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F9
F10
F11
F4
4
7
8
Expert Solution
Step 1
Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.
Given : Mass of isotope 1 = 36.9659 amu.
Abundance of isotope 1 = 24.22 %
Mass of isotope 2 = 34.9688 amu.
And abundance of isotope 2 = 75.68 %
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