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The electronic configuration of a metal M is 1s2, 2s2, 2p6, 3s1, The formula of its oxides will be:
(1) MO
(2) M2O
(3) M2O2
(4) MO2
Ans: M2O
preperations
Selecting and Numbering the principal chain Selecting the principal chain : choose the longest continuous chain of carbon atoms consisting of the principal functional
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Ethyl bromide can be converted into ethyl alcohol using- Moist silver oxide or dry silver oxide?
its preparation
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Discuss effect of impurity, temperature and alloying on the electricity conductivity of metal. For an ideal crystal with no impurities and imperfections mean free path at 0 K i
real life application
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
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