9th Class Chemistry MCQS Structure of Atom Online Test 5

the-maximum-electrons-in-n-shell-are-3-a_-_32,the-maximum-number-of-electrons-in-l-shell-are_-_8,the-noble-gase-which-not-have-eight-electrons-in-valence-shell-is-3-a_-_he,the-nucleus-of-an-atom-is-composed-of_-_protons-and-neutrons,the-number-of-isotopes-of-carbon-are-3-a_-_3,the-number-of-isotopes-of-hydrogen-are-3-a_-_3,the-particle-which-penetrates-into-matter-more-than-other-is_-_neutron,the-scientist-who-put-forward-the-plum-pudding-theory-is-3-a_-_thomson,the-value-of-angular-momentum-of-electron-in-the-first-orbit-is-equivalent-to-3-a_-_1-x-10-3-csup-3-e-34-kgm-3-csup-3-e-2-3-c-2-fsup-3-es-3-csup-3-e-1-3-c-2-fsup-3-e,uranium-has-number-of-isotopes-3-a_-_3,when-u-235-breaks-up-it-produce-3-a_-_neutrons,which-one-is-radio-active-isotope-3-a_-_3-csup-3-e-14-3-c-2-fsup-3-ec,who-discovered-neutron-3-f_-_chedwick