16. The n = 1 shell contains p sub-orbitals. All the other shells contains p sub- orbitals. A.3,6 B. 0,3 C. 6,2 D. 3,3 17. How many orbitals are their in the second shell? A.1 B. 2 OF C 4 D. 8 18. Which of the orbitals below do not exist due to the constraints upon the angular quantum number? A.3f B. 2p C. 2s D. 2d 9.16 19. Which of the orbitals below do not exist due to the constraints upon the angular quantum number? A.3d B. 3p C. 3s D. 3f 20. Which one of the following is an incorrect orbital notation? C. 3s D.2p A.4f B.2d

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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.