An atom has 6.9 n-2 electrons, 4.9 n-1 electrons and 2.4 valence electrons (Let\

Question

An atom has 6.9 n-2 electrons, 4.9 n-1 electrons and 2.4 valence electrons (Let's pretend these values could exist). What is the eective nuclear charge (Zeff) on the outer-most valence electron? An atom has 6.9 n-2 electrons, 4.9 n-1 electrons and 2.4 valence electrons (Let's pretend these values could exist). What is the eective nuclear charge (Zeff) on the outer-most valence electron? An atom has 6.9 n-2 electrons, 4.9 n-1 electrons and 2.4 valence electrons (Let's pretend these values could exist). What is the eective nuclear charge (Zeff) on the outer-most valence electron?

Explanation / Answer

effective nuclear charge=atiomic number(number of protons in nucleus)-screening constant(number of non-valence electrons).

here the number of valency electrons given are2.4 then

effective nucler charge=11-2.4

=8.6

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