Table of atomic mass
[DOC File]CHEM 1151 Worksheet
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Atomic Number ____ Atomic Mass ____ Protons ____ Neutrons ____ Electrons ____ Valence Electrons ____ 7. What particle in an atom determines what element it is? ... What is the difference between a group and a period on the Periodic Table. 11. Identify these elements: a. A very reactive metal with properties similar to magnesium and in the same ...
[DOC File]Average Atomic Mass Problems
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Fill in the following table. Isotope Isotope Notation Atomic # Protons Electrons Neutrons. Nickel-58 15 15 53 74 36 48 34 45 Calcium-40 Chlorine-37 Calculate the average atomic mass of chlorine if its isotopes and % abundances are as follows. Show all work. Mass of Isotope % abundance 36.96590 24.47
Periodic Table Elements | Atomic Number & Mass - Chemistry
The Atomic Mass of Metallo - Alternate. You may have noticed on the periodic table that the atomic mass of an element is usually not a whole number. That happens because of isotopes. An atom that is missing a neutron or has an extra neutron is called an isotope. They are still the same element; however, they are just a little different from ...
[DOCX File]Protons, Neutrons, and Electrons Practice Worksheet
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The accepted values for the atomic mass and percent natural abundance of each naturally occurring isotope of silicon are given in the data table below. Isotopic notation Percent abundance Atomic mass Si-28 92.22 % 27.98amu Si-29 4.69% 28.98amu Si-30 3.09% 29.97amu Show a correct numerical set up for calculating the atomic mass of Si.
[DOC File]Chapter 2: Atoms, Ions, and the Periodic Table
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13. Carbon has an average atomic mass of 12.011 amu (as given on the periodic table). Which isotope of carbon do you think is most abundant: carbon-12 or carbon-13? Explain your answer. Check your response by using the sim to select carbon and clicking on “Nature’s mix of isotopes”.
[DOCX File]sites.lps.org
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# Protons = Atomic Number # Electrons = Protons # Neutrons = Atomic Mass – Atomic Number OR Big # - Small # Use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following elements. Name of Element. Element Symbol. Mass Number.
[DOC File]Atoms/Periodic Table Pop Quiz
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A) Relative atomic mass is one of the numbers that appears on a typical periodic table. B) The average mass of the individual isotopes of an element considering the natural abundance of each is the relative atomic mass of that element. C) The relative atomic mass of carbon is 12.01 amu because carbon-12 is the most abundant isotope, with ...
[DOC File]CHEMISTRY TEST---- ATOMIC STRUCTURE
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Feb 03, 2016 · The atomic mass is also different for every element, and also for isotopes of the same element. The atomic mass is equal to the number of protons that an element has plus the number of neutrons that an element has. This is because protons have a mass of approximately 1 amu (atomic mass unit) and neutrons have a mass of approximately 1 amu.
[DOC File]Atomic Mass of Metallo
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Assuming only pure elements (neutral atoms), complete the following table. Atomic Symbol Name-# Atomic Number Atomic Mass # protons # neutrons # electrons Cobalt – 60 80 117 90 38 21 19 34 79 Provide the symbol and charge (where appropriate) for each of the following.
[DOC File]Atoms and Isotopes Worksheet
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Based on this table, what is the relationship between density and atomic number? Element X has two natural isotopes. The isotope with a mass of 32 amu (32X) has a relative abundance of 29.91%. The isotope with a mass of 33 amu (33X) has a relative abundance of 70.09%. Calculate the atomic mass of this element. An element has three known isotopes.
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