Correct statements for an element with atomic number 9 are
(i). There can be 5 electrons for which \({\mathrm{m}}_{\mathrm{s}}=+\frac{1}{2}\) and 4 electrons for which \({\mathrm{m}}_{\mathrm{s}}=-\frac{1}{2}\)
(ii). There is only one electron in \({p}_{z}\)orbital
(iii). The last electron goes to orbital with \(\mathrm{n}=2\) and \(l=1\)
(iv). The sum of angular nodes of all the atomic orbitals is 1 .

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Correct statements for an element with atomic number 9 are
(i). There can be 5 electrons for which \({\mathrm{m}}_{\mathrm{s}}=+\frac{1}{2}\) and 4 electrons for which \({\mathrm{m}}_{\mathrm{s}}=-\frac{1}{2}\)
(ii). There is only one electron in \({p}_{z}\)orbital
(iii). The last electron goes to orbital with \(\mathrm{n}=2\) and \(l=1\)
(iv). The sum of angular nodes of all the atomic orbitals is 1 .

Choose the correct answer from the options given below:

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Correct statements for an element with atomic number 9 are (i). There can be 5 electrons for which \({\mathrm{m}}_{\math…

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