why can hypovalent atoms hold less than eight electrons?
Homework Answers
when a molecule does not have a sufficient number of valence electrons to show octets about each of the atoms, that means each atoms have less than eight electrons. obviously, a valid structure cannot be defined without a octets structure of a molecule.
It is possible because of, octets are assigned on the more electronegative atoms so that the lack of an octet occurs on the least electronegative atom.
FOR EXAMPLE
Take the lewis structure of BF3.
B=3 valence electron(VE) .
3 F=21 VE .
Here lack of octets occurs on the B atom to fulfill or define a valid lewis structure.
what type of atoms can hold less than eight electrons and why?
what type of atoms can hold less than eight electrons and why?
what type of atoms can hold more than eight electrons and why?
what type of atoms can hold more than eight electrons and why?
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30) Why don't we draw double bonds between the Be atom and the CI atoms in BeCl2? A) That would give positive formal charges to the chlorine atoms and a negative formal charge to the beryllium atom. B) There aren't enough electrons. C) That would result in more than eight electrons around beryllium. D) That would result in more than eight electrons around each chlorine atom. E) That would result in the formal charges not adding up to zero.
When are multiple bonds formed between atoms and why? Multiple bonds between atoms form in order that each atom can achieve an inner-shell electron octet. Multiple bonds between atoms form norder that each atom has more than 4 electrons and in the result this bond will be stronger than single. Multiple bonds form only between large atoms and it leads to the decreasing of electron density at these atoms. Multiple bonds between atoms form in order that each atom can...
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