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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?
Ans) There is a formula for this i.e
[ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6
Number of two electron can have the same values of ...... quantum numbers: (1) One (2) Two (3) Three (4) Four Ans: Three
can all the total heat content available betotally converted to work done?
Unlike components of the 3 d series, 4 d and 5 d elements have little simple aqueous cationic chemistry. The main exceptions are La3+ and Y3+, and Ag+, which builds some soluble
It is also possible to increase pressure. How does the pressure change influence the thermodynamic and kinetic properties of the reaction? The reaction can proceed at lower te
How acidic character varies in s block elements
Q. Explain about Roasting process? Roasting is the method of heating ores in the presence of excess air and involves oxidation. It is mainly applied to sulphide ores, which are
The ph of an aqueous solution of Ba(OH)2 is 10 if the ksp of Ba(OH)2 is 1*10^-9 then the concentration of Ba+2 ions in the aqueous solution is Ans) [OH(-)] = 10^(-4) 2.
Which of the following expressions gives the de-Broglie relationship: (1) h= γ/ mv (2) γ= h/mv (3) γ=m/ mv
is relation a=2r+ + 2r- correct for bcc
trailing of mercury
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