Multiple choice question

18 Cr rRo dk bySDVªkfud foU;kl ------------------------------------ gksxkA
24
The electronic configuration of element 24 Cr will be ........................
19 Ni dk bySDVªkfud foU;kl gksxk --------------------------------
28
The electronic configuration of 28 Ni will be ............
20 gq.M dk vf/kdre cgqyrk fu;e gS ----------------
The hund’s rule of maximum multiplicity is ................
21 fdlh d{kk n esa bySDVªkuksa dh la[;k vf/kdre 2n 2 gksus dh O;oLFkk ------
oSKkfud us nh FkhA
........................ scientist had given maximum number of electrons in any orbital
n according to 2n 2
22 Cu dk bySDVªkfud foU;kl -------------------------------------- gksxkA
29
The electronic configuration of 29 Cu will be .....................................
,d ,d 'kCn@okD; 'kCn@okD; esa esa mRrj mRrj nhft;sA
nhft;sA
,d 'kCn@okD; esa mRrj nhft;sA Answer in one word / sentence.
23 bySDVªku dh [kkst fdlus dh Fkh\
Who discovered electron?
24 bySDVªku dk nzO;eku gS \
The mass of electron is?
25 Mh&czkxyh lehdj.k gS\
de–Broglie equation is?
26 fnxa'kh DokUVe la[;k dks n'kkZrs gSa\
Azimuthal quantum number is denoted by?
27 gkbtu oxZ ds vfuf'prrk ds fl)kUr dk lw= gS\
The formula for Heisenberg’s uncertainity principle is?
28 3d d{kd ls iwoZ bySDVªku 4s d{kd esa izos'k djus dk dkj.k gS \
The reason for entering electrons into 4s before going into 3d orbital is?
29 6 C12 dk bySDVªkfud foU;kl gksxk\
The electronic configuration for 6 C 12 will be ?
11