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Till 20elememts write the no of electrons in outermost shell.if less than 4 then this is the valency otherwise subtract from 8
d 5
Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
Q. Test for hydrocyanic acid? Hydrocyanic acid is present as an impurity in synthetic ethyl isothiocyanate, which is employed to make the flavour of mustard oil more pungent. T
The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
Why lanthanides shows more than 7 coordination number
What are trihydric alcohols? What are their preparation methods? What are their physical properties?
define and explain law of successive disintegration
#explain any 1 example of concentration cell question..
v CO has same electrons as or the ion that is isoelectronic with co is
hypothesis for this lab "finding the missing mass"
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