Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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For the isotopes, fill in the blank spaces.
Transcribed Image Text:Symbol
33s2-
Neutrons
36
30
8
Protons
30
25
Electrons
27
10
Net Charge
7+
3-
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- An atom has two isotopes. the first isotope has a mass of 80.92 amu and a fractional abundance of 32.12%, and the second isotope has a mass of 78.23 amu. Find the atomic mass of this atom.arrow_forward100 Zinc has three major and two minor isotopes. For this problem, assume that the only isotopes of zinc are the major ones: zinc-64, zinc-66, and zinc-68. The atomic mass of zinc-64 is 63.9291 Da, the atomic mass of zinc-66 is 65.9260 Da, and the atomc mass of zinc-68 is 67.9248 Da. 57.4 Calculate the atomic mass of zinc from the relative peak intensities in the mass spectrum. 38.6 atomic mass: Da 64 66 68 mlz Peak intensityarrow_forwardAn unknown element is determined to have two naturally occurring isotopes. Isotope 1 is 68.11% abundant and has a mass of 68.925580 amu, and isotope 2 has a mass of 70.9247005 amu. Determine the atomic mass of the unknown element. Express your answer to four significant figures.arrow_forward
- The CRC Handbook, a reference book for chemistry and physics lists two isotope of Rubidium (Z-37). The atomic mass of 72.15 % of rubidium is 84.9118 u. The other isotope atomic mass was omitted (skipped) in typing. Calculate the atomic mass of the omitted isotope.arrow_forwardUse the dropdowns to create a correct and complete isotope notation. An isotope has 108 neutrons and 72 protons. The correct isotope is:arrow_forwardWhich of the following represents a pair of isotopes? Atomic Number | Mass Number 1. 6| 14 A II. 7| 14 1. 617 B II. 14 | 14 1. 6| 14 II. 14 | 28 I. 7 | 13 D II. 7 | 14 1. 8 10 II. 16 20arrow_forward
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