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How do you calculate the atomic weight of a chemical element that has two or more isotopes?
Wiki User
∙ 14y ago
Calculation of the atomic weight of an element having many isotopes:
ia - Atomic Mass of the isotope a x percent concentration of the isotope in the element
ib - atomic mass of the isotope b x percent concentration of the isotope in the element
ic - atomic mass of the isotope c x percent concentration of the isotope in the element
...........................................................................................................................
iz - mass of the isotope z x percent concentration of the isotope in the element
Make the sum: I = ia + ib + ic + ..... iz
The atomic weight of the element is: I/100 (the term weight is recommended by IUPAC in this case).
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoThe mass of each isotope.
we use the percentage abundances of the different isotopes, then its a simple maths!!
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How do the atomic number of the different isotopes an element compare?
The atomic number is the same for the all isotopes of a chemical element.
Does isotopes affect the physical properties of the element?
Isotopes contribute to the atomic weight of a chemical element.
How you calculate the relative atomic weight of uranium?
The atomic weight of an element is derived from the atomic masses of the isotopes of this element and from the percentage of these isotopes. The correct terms are: - atomic weight for elements - atomic mass for an isotope
What data must you know about the the isotopes of an element to calculate the atomic mass of an element?
Number of protons
Atoms of same chemical element that have different atomic mass are known as?
Isotopes. They differ in the number of neutrons in the nucleus.
How do the atomic number of the different isotopes an element compare?
The atomic number is the same for the all isotopes of a chemical element.
Does isotopes affect the physical properties of the element?
Isotopes contribute to the atomic weight of a chemical element.
Do isotopes have the same A number?
The atomic number is the same for the isotopes of a chemical element.
How you calculate the relative atomic weight of uranium?
The atomic weight of an element is derived from the atomic masses of the isotopes of this element and from the percentage of these isotopes. The correct terms are: - atomic weight for elements - atomic mass for an isotope
What is an element that is the average mass of all the isotopes of that element?
This is a chemical element with a specific atomic weight.
How could physicists propose an element to put in a periodic table if sometimes like uranium have different atomic number and atomic mass?
The atomic number of the isotopes of an chemical element is the same; only the atomic mass of the isotopes is different. Also the isotopes of an element have the same chemical and physical properties (of course with some approximation).
What information about an element's isotopes is needed to calculate that element's average atomic mass?
the atomic number of each isotope-apex;)
What data must you know about the the isotopes of an element to calculate the atomic mass of an element?
Number of protons
How is the atomic mass of an element calculate?
By taking the wieghted averages of naturally occurring isotopes of that element. :)
Atoms of same chemical element that have different atomic mass are known as?
Isotopes. They differ in the number of neutrons in the nucleus.
What is the fraction in calculating the average atomic weight of an element?
The atomic weight (not mass) of a chemical element is calculated considering the isotopic composition of the element and the atomic masses (not weights) of these isotopes.
The atomic mass of an element is defined as the weighted average mass of that element's?
For the chemical elements the correct expression is atomic weight.This value is the weighted average mass of the natural isotopes of this element.
