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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
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
excess copper(2)hydroxide solid was placed in a NaOH solution and left until the equilibrium was reached, ph was 10 at 25C Ksp for Cu(OH)2
FIND THE CENTRIPETAL ACCELERATION OF THE ELECTRON
Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
Hello,">http://misterguch.brinkster.net/WKS001_033_418188.pdf Hello, I''m Ronnie. I don''t know how to do problem number 1. Could you help me with just this one?
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
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Which monomers can undergo free radical, cationic as well as anionic polymerisation with equal ease? CH2=CH2
Introduction This lab will be performed using the Chemistry Collective Virtual Lab Simulator. The ChemCollective is an award winning chemistry online resource. In addition to
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