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Phosphate of a metal M has the formula M 3 (PO 4 ) 2 The formula for its sulphate would be: (1) MSO 4 (2) M (SO 4
the atomic number of element represents
Electronic configuration of Sc 21 is: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 2 , 3d 1 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 1 , 3d 2 (3)1
The number of orbitals present in the shell with n= 4 is: (1) 16 (2) 8 (3) 18 (4) 32 Ans: 16
Electron configurations are governed by a limitation called as the Pauli Exclusion Principle: No two electrons can have the same value for all four quantum numbers n, l, m a
Hi, I was wondering how monochromators work in atomic emission spectroscopy
Aldol condensation - Aldehydes and Ketones (a) This reaction occurs between two molecules of carbonyl compounds; one molecule should have at least two α-hydrogen sets. In that
What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons iron and oxide of divalent element i.e. metals having two free electrons
what is basic radical
The correct order of increasing energy of atomic orbitals is: (1) 5p (2) 5p (3) 4f (4) 5p Ans: 5p
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