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?
Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
This exercise will lead you to verify that the
| 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?
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