AP EAMCET202521 May 2025Evening ShiftChemistryStructure of AtomActual
Which of the following statements are correct? I) The energy of hydrogen atom in its ground state is -13.6 eV II) On the basis of Bohr's model, the radius of the 3^ rd orbit of hydrogen atom is 158.7 pm III) The order of radius of the first orbit of H , He ⁺, Li ²⁺ and Be ³⁺ is H > He ⁺> Li ²⁺> Be ³⁺
Options
- AII & III only
- BI & III only
- CI & II only
- DI, II, III
Correct answer
B. I & III only
Step-by-step solution
No Solution
Practice Structure of Atom on Quantrex Academy →
More from Structure of Atom
The frequency of photon which is emitted during a transition of electron of He ^+ ion from fifth energy level to third energy level will be: 2026Which of the following statement is correct ? 2026The wavelength of a particular electron transition for He ⁺ is 100 nm. The wavelength (in Å ) of H atom for the same transition is 2025The energy of second Bohr orbit of hydrogen atom is -3.4 eV. The energy of the fourth Bohr orbit of the He ⁺ ion will be 2025The work function of Cu is 7.68 10⁻¹⁹ ~J . If photons of wavelength 221 nm are made to strike the surface of the metal, the kinetic energy (in J) of the ejected electrons will be ( 2025In an element with atomic number (Z) 25 , the number of electrons with ( n+l ) value equal to 3 and 4 are x and y respectively. The value of (x+y) is 2025a , b , c , d are electromagnetic radiations. Frequencies of a , b are 3 10¹⁵ ~Hz , 2 10¹⁴ ~Hz , respectively, whereas wavelength of c, d are 400 ~nm , 750 ~nm , respectively. The 2025The number of electrons with magnetic quantum number, m _l=0 in the elements with atomic numbers Z=24 and Z=29 are respectively 2025
Full Structure of Atom list
All AP EAMCET PYQs
