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what are differences and similarities between covalent bond and electrovalent bond
Q. Show the Chemical property of matter? A chemical property explains the ability of a substance to combine with or change into one or more other substances. For instance the
what is laws of chemical combination
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
Give reasons for the following: a. Molten aluminium bromide is poor conductor of electricity. b. Nitric oxide becomes brown when released in air. c. PCl
what is it?
examples
#question:although CO is well known,why doesn''t SiO exist under normal conditions?
An isostere is: (1) NO -2 and O 3 (2) No -2 and PO 3- 4 (3) CO 2, N 2 O, NO - 3 (4)Clo - 4 and OCN - Ans: NO -2
4. (a) Explain the concept of (i) intrinsic, (ii) n-type, and (iii) p-type semiconductors with the aid of bond diagrams and band diagrams. (b) What is a hole? Using a mathematic
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