**A. Complete the table below:***Note that some of the elements in the table are isotopes. Circle the symbols of the isotopic ones.*| Element Name | Symbol | Atomic Number | Mass Number | Number of Protons | Number of Neutrons | Number of Electrons ||---------------|--------|---------------|-------------|-------------------|--------------------|---------------------|| Aluminum | | 27 | 40 | 13 | 42 | || | Ar | 18 | 40 | | 22 | || | | 33 | 56 | 26 | 30 | 51 || | Sb | | | | | 92 || Uranium-235 | | | 193 | 79 | | || | Sc | | 17 | | | 18 || | | 6 | 13 | | | || | Si | 11 | 24 | 31 | 37 | || | | | 225 | 89 | 102 | 70 || | Mo | | 206 | | 53 | || | 81 | | | | | || | No | 100 | | | | || Unnilhexium | | | 261 | 106 | 159 | | **Explanation:**- The table is structured to show various properties of elements, including their symbols, atomic numbers, mass numbers, and the counts of protons, neutrons, and electrons.- Isotopes are noted by variations in the mass number, even when the atomic number remains constant.- For educational purposes, users are instructed to circle isotopic symbols, emphasizing understanding of isotopes within the table.

In neutral atom, Atomic number = number of protons = number of electrons Mass number = atomic…

Note that some of the elements in the table are isotopes. Circle the symbols of the isotopic ones. Element Symbol Atomic Mass Number of Number Number of name number number protons of electrons neutrons Aluminum 27 13 Ar 18 40 33 42 56 26 30 Sb 51 Uranium-235 92 Sc 17 18 193 79 Si 13 11 24 31 37 102 70 225 89 Мо 53 81 206 100 159 No 261 Unnilhexium 106 159

Note that some of the elements in the table are isotopes. Circle the symbols of the isotopic ones. Element Symbol Atomic Mass Number of Number Number of name number number protons of electrons neutrons Aluminum 27 13 Ar 18 40 33 42 56 26 30 Sb 51 Uranium-235 92 Sc 17 18 193 79 Si 13 11 24 31 37 102 70 225 89 Мо 53 81 206 100 159 No 261 Unnilhexium 106 159

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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Using the isotopic information provided in the table, calculate the average atomic mass of silicon (Si). Round your answer to the tenths place.
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
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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
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