Answer the following questions List three elements that have 2 electrons in their valence shell. List three elements that have filled valence shells. List three elements that are one electron short of having a
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.
- Answer the following questions
- List three elements that have 2 electrons in their valence shell.
- List three elements that have filled valence shells.
- List three elements that are one electron short of having a filled valence shell.
- As you work your way across the periodic table from left to right in any given row, what it happening to the electronic structure of the atoms?
- What property of an element is described by its electronegativity?
- How does electronegativity typically changes going across the periodic table? Why is that?
- How does electronegativity typically change going down the periodic table? Why is that?
- On a scale that goes from nonpolar bond to increasingly polar bond to ionic bond, how would you expect these bonds to be ranked? Why?
NaCl, CO, OO, CaO, HCl, SiC
- If the bonds in a molecule are, in fact, polar, would the molecule as a whole also be polar for each of the following shapes? Why?
Linear (like CO2)
Tetrahedral (like CH4)
Bent (like H2O)
Pyramidal (like NH3)
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