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How many protons, electrons and neutrons...

How many protons, electrons and neutrons are present m 0.18 g `""_(15)^(30)`P ?

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No. of e = No. of `p=(0.18)/(31) xx 3.022xx10^(23)xx15`
No. of `n=(0.18)/(31)xx 3.022 xx 10^(23)xx 16`
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CENGAGE CHEMISTRY-ATOMIC STRUCTURE-MANDATORY EXERCISE (Exercise Set IV)
  1. The maximum number of electrons which a shell (designated by n) can ac...

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  2. How many 3d electrons can have a spin of -(1)/(2)?

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  3. The core charge on oxygen is equal to:

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  4. An electron will have the highest energy in the set:

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  5. Which orbital is represented by the complete wave function Psi(320).

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  6. The principal quantum number of an atom is related to the:

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  7. In which (n+l) rules not applicable:

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  8. The total number of shell, subshell and orbitals are used in Fe^(2+):

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  9. If the value of (n + l) is more than 3 and less than 6, what will be t...

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  10. Explain the meaning of the symbol 4d^(6).

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  11. How many protons, electrons and neutrons are present m 0.18 g ""(15)^(...

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  12. In a multi-electron atom, which of the following orbitals describe by ...

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  13. Consider the ground state of Cr atom (Z = 24). The numbers of electron...

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  14. Quantum number 'm' of a free gaseous atom is associated with

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  15. Which of the following has maximum energy?

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  16. Quantum number n = 3,l = 2, m= +2 shows how many orbitals

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  17. Which of the following are isoelectronic species I-CH(3)^(+),II-NH(...

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  18. Which of the following has highest unpaired d-electrons?

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  19. Ground state electronic configuration of nitrogen atom can be represen...

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  20. Which of the following explain the sequence of filling the electrons i...

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