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Weighted average atomic mass

Updated: 10/31/2022
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The average atomic mass of an element is the average of the atomic masses of its?

The average atomic mass of an element is the average of the atomic masses of its isotopes (that is a weighted average). You have to take into account the abundance of each isotope when they do your averaging.


How do the decimal places on the atomic masses of elements realate to isotopes?

The atomic mass of an element is the weighted average of masses of the isotopes of the element, weighted in proportion to their abundance.


Why atomic mass of an atom is defined as relative atomic mass?

It is calculated as the ratio of the mass of one atom of an element to one twelfth of the mass of an atom of carbon-12. In fact, the weighted average of the mass of an atom of an element - weighted according to its isotopic abundance.


Atomic mass used in a sentence?

The atomic mass of an element is the weighted average of the masses of all the stable isotopes of the element (if it has any), weighted by the natural occurrence levels of the isotopes in the elements as found on earth or in the atmosphere.


Atomic mass is equivalent to the number of?

The atomic mass is the mass of an atom of that element in AMUs. (Atomic Mass Units)The atomic number, however, is equivalent to the number of protons in an atom of that element.The mass number of an atom is the total number of protons and neutrons in the nucleus of an atom. This is therefore always a whole number. The relative atomic mass of an element is the weighted average of the masses of the isotopes relative to 1/12 of the mass of a carbon-12 atom.It is a weighted average as it takes into account the relative abundances of the different isotopes (atoms of the same element but with different numbers of neutrons) of an element. This number is found in the periodic table.For example chlorine has two isotopes, 35Cl and 37Cl, in the approximate ratio of 3 atoms of 35Cl to 1 atom of 37Cl.The number of protons and neutrons in a 35Cl atom must add up to 35, the mass number. The relative atomic mass of chlorine takes into account both isotopes and is therefore 35.5.

Related questions

What is the weighted average atomic mass of bromine?

The weighted average atomic mass of bromine is approximately 79.904 u. This value is calculated based on the natural abundance of bromine's isotopes.


What is the average atomic mass compared to atomic mass?

The average atomic mass is a weighted average of the masses of all isotopes of an element, taking into account their abundance. The atomic mass listed on the periodic table is the weighted average of all naturally occurring isotopes of the element. So, they are essentially the same thing, with the average atomic mass being a more specific term.


Is the mass and atomic mass the same?

No. The atomic weight is the number on the Periodic Table and is a weighted average of the atomic masses.


What is the weighted average mass of all the know isotopes for an element?

The weighted average mass of all the known isotopes of an element is calculated by taking the mass of each isotope, multiplying it by its natural abundance, and then summing up these values for all isotopes. This calculation takes into account the relative abundance of each isotope in nature to give a more accurate representation of the average mass of the element.


The average atomic mass of an element is the average of the atomic masses of its?

The average atomic mass of an element is the average of the atomic masses of its isotopes (that is a weighted average). You have to take into account the abundance of each isotope when they do your averaging.


What is the difference between average atomic mass and atomic mass?

Average atomic mass is the weighted average mass of all the isotopes of an element, taking into account their natural abundances. Atomic mass refers to the mass of a single atom of a specific isotope of an element.


An average of the masses of all the naturallly occurring isotopes of an element?

The weighted average for all isotopes that occur in nature for an element is its atomic weight listed on the Periodic Table of the elements.


What is the weighted average of the atomic masses of an element's naturally occurring isotopes is called the?

The weighted average of the atomic masses of an element's naturally occurring isotopes is called the atomic mass. This value takes into account the abundance of each isotope in nature when calculating the overall average atomic mass of the element.


The weighted average of the masses of all the naturally occurring isotopes of an element is the what?

Atomic weight or atomic mass used in stoichiometric calculations.


Why is a weighted average required for calculating atomic mass?

Isotopes - that same element with a different atomic weight.


How is the atomic mass for chlorine related to isotopes for that atom?

The average atomic mass is weighted by the most common isotopes and their relative abundance.


How is the atomic mass of an element affected by the distribution of its isotopes in nature?

The atomic mass of an element is the average of its isotopes, weighted by abundance in nature.