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 do those 2 questions based on on the image below

Transcribed Image Text:Which orbital is lower in energy in a many-electron atom?
4s
O 3s
X
S

Transcribed Image Text:A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic analysis produced the following
data on the isotopes of ruthenium in these samples:
mass
relative
isotope (amu) abundance
104 Ru 103.91 92.3%
102 Ru 101.90
A
Use these measurements to complete the entry for ruthenium in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass
to 4 significant digits.
7.7%
Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for ruthenium in the Periodic Table we use here on
Earth.
0
Ru
0
X
?
面分层图
ola
Ar
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