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Among the following for which one mathematical expression γ= h/p stands:
(1) De Broglie equation
(2) Einstein equation
(3) Uncertainty equation
(4) Bohr equation
Ans: De Broglie equation
The first ionization potentials for Na, K, and Rb are 5.138, 4.341, and 4.166 eV, respectively. Assume that the energy level of the outer electron can be represented by a hydrogenl
Nitrogen Containing Compounds The important nitrogen consisting of organic compounds that are alkyl nitrites (RONO), nitro-alkanes (RNO 2 ), amines (- NH 2 ), aromatic nitro co
Which of the following represents the electronic configuration of an element with atomic number 17: (1) 1s 2, 2s 2 , 2p 6 , 3s 1, 3p 6 (2) 1s 2 , 2s 2 , 2p
Modern Meaning of Organic Chemistry Organic chemistry is a chemistry of hydrocarbons and their derivatives where covalently bonded carbon is a necessary constituent. Berzelius
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Give detail about criteria of purity ?
what groups comprise each block of element?
The electronic configuration of a metal M is 1s 2 , 2s 2 , 2p 6 , 3s 1 , The formula of its oxides will be: (1) MO (2) M
Types of interferences: The various kinds of interferences encountered in analysis through flame photometry are: Spectral interferences Ionisation interferences
how we determine the qualitativ and quantitativ analysis of uv
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