39 Protons And 36 Electrons
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Which of the following represents a species with 39 protons and 36 electrons? A)Grand* B) Y C) Ca?t D) Yit E) Ar
Related Question
Which of the post-obit species has four lone pairs of electrons? (a) $\mathrm{O}^{-}$ (b) $\mathrm{Cl}^{-}$ (c) I (d) $\mathrm{He}$
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Video Transcript
Hi everyone Welcome to this video. In this question we are asked that which of the following species has 4 blown pair of electrons. So nosotros are given for uh compound species that are ohh negative cl negative o negative. And I didn't. And then let u.s.a. try to draw their structures lose dot structures. So in case of O H negative oxygen has six items but too a negative accuse hands on more electron. So this is born with hydrogen. In case of seeing the negative, we accept 1234567 Electrons in its valen shell. Merely since nosotros have a negative charge, hence one more electron, let me describe this electron with a different color. And so in case of all negative we have oxygen, 123456 electrons And a negative charge. Hence one more electron. In case of I negative We have 1234567 electrons. Only since they're a negative accuse, and so one more electron. So now We accept to run into which has four lone pair of electrons. Sorry there is no whatsoever negative charge on Republic of ireland. And then it will but have seven electrons in its valence crush. So from these structures you can clearly see that C L negative is the only compound which has like four lone pairs, 123 and four. So therefore see a negative is the answer cheers
39 Protons And 36 Electrons,
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