Punjab 11th Class Chemistry Chapter 5 Atomic Structure Mcqs Test Online Chemistry Chapter 5 Atomic Structure Mcqs Test Online 11th Class Punjab 12345678910 10% Question 1 of 10Chemistry 1. Wave mechanical model of the atom depends upon All of the above Uncertainty Principle Schrodinger’s wave equation De-Broglie’s concept of duality. Question 1 of 10Question 2 of 10 2. Which of following quantum numbers is not obtained from Schrodinger wave equalier? Spin quantum number, s Azimuthal quantum number, l Magnetic quantum number, m Principal quantum number, n Question 2 of 10Question 3 of 10 3. Which one of the following is not isoelectronic pair N³⁻, O²⁻ Mg²⁺, Be²⁺ N²⁻,O²⁻ F, Al³⁺Question 3 of 10Question 4 of 10 4. The third line in Blamer series corresponds to an electronic transfer between which Bohr’s orbit in hydrogen. 4 → 3 4 → 2 5 → 2 5 → 3 Question 4 of 10Question 5 of 10 5. The energy of an electromagnetic radiation is 3 x 10⁻¹² ergs. What is its wave-length in nano meters? 228.3 3000 662.5400 Question 5 of 10Question 6 of 10 6. Which one of the following statement is not correct? Rydberg’s constant and wave number have same unit The radius of first Bohr orbit of hydrogen atom is 2.116 x 10⁻⁸ cm Lyman series of hydrogen spectrum occurs in the ultraviolet region The angular movement of the electron in the ground state of hydrogen atom is equal to h/2 Question 6 of 10Question 7 of 10 7. When an electron of charge ‘e’ and mass ‘m’ moves with velocity ‘v’ about the nuclear change Ze in the circular orbit of radius ‘r’, the P.E of electron is given by Ze²/r mv²/r Ze²/r² -Ze²/r Question 7 of 10Question 8 of 10 8. For which species Bohr’s theory does not apply H He⁺ Li²⁺ Be Question 8 of 10Question 9 of 10 9. From the discharge tube experiment, it is concluded that Mass of a proton is in fraction Nucleus contains positive change Positive rays are heavier than protons Matter contained electrons Question 9 of 10Question 10 of 10 10. Electronic configuration of species M²⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ and its atomic weight is 56 number of neutrons in the nuclear of species M is 28 26 20 30Question 10 of 10 Loading... Test By Subject Punjab Test By Topics 11th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.