An unknown element has two naturally occurring isotopes with the following isotopic masses: X-205 (204.77235 amu) and X-207 (206.10897 amu). The average atomic mass of this element is 205.87 amu. The fractional abundance of the lighter of the two isotopes is __________.
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.
An unknown element has two naturally occurring isotopes with the following isotopic masses: X-205 (204.77235 amu) and X-207 (206.10897 amu). The
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