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The configuration 1s2 2s2 2p5 3s1 shows:
(1) Excited state of O2-
(2) Excited state of neon
(3) Excited state of fluorine
(4) Ground state of fluorine atom
Ans: Excited state of neon
Colloids are either positively charged or negatively charged. But What are the various factors responsible for charge on the colloidal sols?
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
A baseball weighs 5.19oz oz . What is the kinetic energy in joules of this baseball when it is thrown by a major-league pitcher at 93.0mph mph ?
Which one of the following is not the characteristic of Planck's quantum theory of radiation: (1)The energy is not absorbed or emitted in whole number or multiple of quantum
acetaldehyde to cronic acid
Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge
explain why boiling and meliting points of nitroalkanes than that of iosmeric alkyl nitrites
what technique can be used to improve water quality ?
In nitromethane N-O bondlength is 1.21A° while normal N-O bondlength is 1.36 A° and for N=O it is 1.18A°..Explain why
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
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