is chemistry subject is hard or essay
lovekushgautam1:
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No it is not difficult at all well it depends on the type of interest you have in the subject... ...
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Theory. Planck's constant (h), a physical constant was introduced by German physicist named Max Planck in 1900. The significance of Planck's constant is that 'quanta' (small packets of energy) can be determined by frequency of radiation and Planck's constant
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