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The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element: (1) Mg (2) Na (3) Ne (4) F Ans: Mg
How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
Which of the following electronic configuration is not possible: (1) 1s 2 2s 2 (2) 1s 2 2s 2 2p6 (3) [Ar]3d 10 4s 2 4
how do you calculate equivalent weight of salts
Which is the most covalent: (1) C- O (2) C- Br (3) C- S (4) C-F A
how many number of electrons are possible in the valence shell of metals
what is indicators
explain types of ir spectrometer
how many mole ratios can be obtained from the following equation? Na2S+Cd(NO3)2-2NaNo3+CdS
give one book name about electromatric effect?&author name?
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