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.
![1. Fill in the blanks:
P
A
[He] 2s²2p
Leff.
Atom
Number of valence electrons
Number of core electrons
Neutral element
S²-
B
2. Write the electron configurations for the following chemical species:
Se
[Ne] 3s
A
B
Size:
Mg+
C
[He] 2s²2p²
C
3. Draw arrows to represent the trends of Zeff and size on the periodic tables below.
In
4. Calculate the atomic radius, in Angstroms, of silicon (one of the most important elements in
the microelectronics industry), given the following information:
the H-H bond distance in H₂ is 0.74 Å
the Si-H bond distance in SiH4 is 1.46 Å](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ae89d13-3da3-4f42-8a30-4752fc9f6b5c%2F867e14dd-1c80-42c1-a8ae-152938366b1f%2Fs7mv8w_processed.jpeg&w=3840&q=75)
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