Forum Forums Class 9 Science Structure of the At... Notifications Clear all Structure of the Atom Page 5 / 9 Prev 1 2 3 4 5 6 7 8 9 Next Votes & Answers Question Question Status 0 1 269 The atomic number of sodium is 11 and its mass number is 23. It has (a) 11 neutrons and 12... By Trisha Dave, 4 years ago replies 1 1 1 498 Explain with examples: (i) Atomic number (ii) Mass number, (iii) Isotopes and (iv) Isobars... By Trisha Dave, 4 years ago replies 2 0 1 201 Na^+ has completely filled K and L shells. Explain. By Trisha Dave, 4 years ago replies 2 0 1 166 The electronic configuration of chlorine is (a) 2, 7 (b) 2, 8, 8, 7 (c) 2, 8, 7 (d) 2, 7, ... By Trisha Dave, 4 years ago replies 1 1 1 430 The isotope used to remove the brain tumours and treatment of cancer is (a) U-235 (b) Na-2... By Trisha Dave, 4 years ago replies 1 0 1 713 In the α-scattering experiment, few α-particles rebounded because (a) Most of the space in... By Trisha Dave, 4 years ago replies 1 0 1 204 The nucleons are (a) protons and electrons (b) neutrons and electrons (c) protons and neut... By Trisha Dave, 4 years ago replies 1 0 1 214 Define valency by taking examples of silicon and oxygen. By Trisha Dave, 4 years ago replies 1 0 1 186 Summarise the rules for writing of distribution of electrons in various shells for the fir... By Trisha Dave, 4 years ago replies 1 0 1 146 Describe Bohr’s model of the atom. By Trisha Dave, 4 years ago replies 1 Page 5 / 9 Prev 1 2 3 4 5 6 7 8 9 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
