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.
The elements which has same atomic number but different mass number is known as Isotopes.
Iridium has two common isotopes 191Ir and 193Ir in which the both Iridium has same atomic number i.e. 77 but differ in the atomic masses i.e.one has mass number is 191 and other has mass number 193.
The mass number of the element is sum of number of protons and number of neutrons.
i.e. mass number = P + N
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