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Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
High energy bond in the intermediary metabolism
Quantitative analysis - Estimation of Elements After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is
The wave nature of an electron was first given by: (1) De-Broglie (2)Heisenberg (3)Mosley (4)Sommerfield Ans: De-Broglie
describe graphical explanation of cryoscopy?
why C-12 is taken as standard for atomic mass?
define metalloid
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
Explain the Systems at high pressure - Phase Diagram? Binary phase diagrams begin to look different when the pressure is greater than the critical pressure of either of the pur
Coordination number and geometry Binary compounds are ones with two different elements present. 'Simple' crystal structures can be classed as ones in which each atom (or
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