A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic analysis produced the followingdata on the isotopes of tin in these samples:massrelativeisotope(amu) abundance112 Sn |111.9095.9%124Sn123.914.1%in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass to 3Use these measurements to complete the entry forsignificant digits.Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for tin in the Periodic Table we use here on Earth.Sn

The elements which have same atomic number but different atomic masses are known as isotopes.

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 tin in these samples: mass relative isotope (amu) abundance 112 Sn 111.90 95.9% 124, "Sn 123.91 4.1% Use these measurements to complete the entry for tin in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass to 3 significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for tin in the Periodic Table we use here on Earth. ? Sn

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 tin in these samples: mass relative isotope (amu) abundance 112 Sn 111.90 95.9% 124, "Sn 123.91 4.1% Use these measurements to complete the entry for tin in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass to 3 significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for tin in the Periodic Table we use here on Earth. ? Sn

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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Finding atomic mass from isotope mass and natural abundance 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 tin in these samples: isotope 119 S Sn 118 Sn Sn mass relative (amu) abundance 118.9 93.3% Explanation 117.9 Use these measurements to complete the entry for tin in the Periodic Table that would be used on 98765 ALEKS. Be sure your answers have the correct number of significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for tin in the Periodic Table we use here on Earth. 6.7% X Check 3 ? O ol Ar ve Graw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessi
The weight of the hypothetical element Gg is 105.99 amu. Element Gg was found to have 3 stable isotopes, two of which have been identified to be 60G9 with a weight of 131.5 amu and abundance of 24.01 % and 80Gg with a weight of 164.68 amu and abundance of 27.36 %. Calculate the weight of the last isotope 40Gg. Round your answer to 2 decimal places.
The isotope carbon11 does not occur in nature but has been made in the laboratory. This isotope is used in a medical imaging technique called positron emission tomography (PET, see Section 9.7A). Give the number of protons, neutrons, and electrons in an atom of carbon11.
Copper has two stable isotopes with the following atomic masses: copper-63 (atomic mass = 62.9296 amu) and copper-65 (atomic mass = 64.9278 amu). If the average atomic mass of copper is 63.546 amu, calculate the relative abundance of each isotope.
An element has two naturally occurring isotopes. One has an abundance of 51.839% and an isotopic mass of 106.905093 AMU. The other has an abundance of 48.161% and an isotopic mass of 108.904756 AMU. What is the average atomic mass of the element?
There are only two naturally-occuring stable isotopes of antimony. The mass and natural abundance of one of them is listed in the table below. Use whatever data you need from the ALEKS Periodic Table to determine the identity, mass and natural abundance of the other isotope, and complete the table. Be sure your answers have the correct number of significant digits. isotope Osb 123 Sb mass (amu) 122.90 natural abundance % 42.79% x10 X Ś
There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of one of them is listed in the table below. Use whatever data you need from the ALEKS Periodic Table to determine the identity, mass and natural abundance of the other isotope, and complete the table. Be sure your answers have the correct number of significant digits. isotope Qui Li mass (amu) 0 7.0160 natural abundance [% 92.41% x10 X Ś
An atom has a diameter of 2.50 Å and the nucleus of that atom has a diameter of 6.00 x 10-5 Å. Determine the fraction of the volume of the atom that is taken up by the nucleus. Assume the atom and the nucleus are a sphere. fraction of atomic volume: Calculate the density of a proton, given that the mass of a proton is 1.0073 amu and the diameter of a proton is 1.69 × 10-¹5 density: m. g/cm³
14. This exercise will lead you to verify that the average atomic mass of magnesium is 24.31 amu, based on the following information: isotope mass (amu) percent abundance 24Mg 23.985042 78.99% 25Mg 24.985837 10.00% 26Mg 25.982593 11.01% The average atomic mass is the weighted average of the atomic masses of all isotopes. What is the fractional abundance of 24Mg?
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 molybdenum in these samples: mass relative isotope (amu) abundance 96- Мо 95.9 41.% 91 Mo 59.% 96.9 Use these measurements to complete the entry for molybdenum in the Periodic Table that would be used on 98765 ALEKS. Be sure your answers have the correct number of significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for molybdenum in the Periodic Table we use here on Earth. Mo
6) What are the circular paths around the nucleus where electrons revolve? 7) There is an X element and it has 35 Protons, is it a toxic element? Reveal it's identity? What is its symbol? 8) The element Z= 53, then which group it belongs to and what is it's mass? 9) If an element has its atomic mass as 24, it can be Magnesium?lf yes? No? What information is missing to reveal the element? 10) What is the element's name if it is group 4 A and it is in period 4? Is it metal. Non metal or metalloid?
1- For each of the following atoms, calculate the number of protons and neutrons in the nucleus and the number of electrons outside the nucleus (assume neutral atoms). element number of number of number of electrons mass number (A) symbol 126C protons (Z) neutrons 12 10 12 10 14 27 10 23,1Na 11 17 18 2- Calculate the atomic mass to four significant figures for carbon, given the following data: Isotope Exact Atomic Mass (amu) 12.00000 13.00335 Abundance in Nature (%) 98.89 1.110 12C 13C