JEE MainChemistryStructure of AtomMCQ+4 / −1
The number of s-electrons present in an ion with 55 protons in its unipositive state is
- A10
- B9
- C12
- D8
More from Structure of Atom
- The radius of the orbit of is . The expected radius of the orbit of is2023 · MCQ
- The number of given orbitals which have electron density along the axis is 2023 · Numerical
- The shortest wavelength of hydrogen atom in Lyman series is . The longest wavelength is Balmer series of He is2023 · MCQ
- Assume that the radius of the first Bohr orbit of hydrogen atom is 0.6 . The radius of the third Bohr orbit of He is picometer. (Nearest Integer)2023 · Numerical
- The energy of one mole of photons of radiation of frequency in is . (Nearest integer) [Given : …2023 · Numerical
- Maximum number of electrons that can be accommodated in shell with are:2023 · MCQ
- The wave function of is given by At , radial node is formed. Thus, in…2023 · MCQ
- Which transition in the hydrogen spectrum would have the same wavelength as the Balmer type transition from to of spectrum2023 · MCQ