briefly explain bohr scheme for the distribution of electrons in different cells
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Maximum number of electron in any shell should be 2n2 , where n is serial number of shell.
2. Maximum number of electron that exist in outermost shell or orbit of any atom is eight while maximum number is eighteen for penultimate shell.
3. According to this law, it is not necessary that another shell is formed after completion of 1st shell. A new shell is formed as number of electrons reaches eight in any orbit or shell.
Valence Electrons and Valency
Outermost incomplete shell of any atom is known as Valence Shell and electron present in incomplete outermost shell are known as Valence Electrons , which participate in formation of bond.
If atoms have 1 to 4 valence electrons then VALENCY = Number of valence electron
If atoms have 5 to 8 valence electrons then VALENCY = 8 - Number of valence electron
But these above rule is not applicable to atoms which show variable valency.
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2. Maximum number of electron that exist in outermost shell or orbit of any atom is eight while maximum number is eighteen for penultimate shell.
3. According to this law, it is not necessary that another shell is formed after completion of 1st shell. A new shell is formed as number of electrons reaches eight in any orbit or shell.
Valence Electrons and Valency
Outermost incomplete shell of any atom is known as Valence Shell and electron present in incomplete outermost shell are known as Valence Electrons , which participate in formation of bond.
If atoms have 1 to 4 valence electrons then VALENCY = Number of valence electron
If atoms have 5 to 8 valence electrons then VALENCY = 8 - Number of valence electron
But these above rule is not applicable to atoms which show variable valency.
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