Assume that each of copper atom has one free electron estimate the number of electrons in 1mg of copper given that atomic
Answer (1)
Student Expert
25th Jul, 2019
Since each Cu atom has 1 free electron
Therefore one mole Cu (63.5gram) has one mole free electrons (6.02×10^23 electrons)
Therefore one gram Cu has 6.02×10^23 ÷63.5 electrons)
Therefore 1mg Cu has 6.02×10^23 ÷(63.5×10^3)electrons
Charge possessed by these electrons is equal to number of these electrons multiplied by electronic charge
=6.02×10^23×1.6÷(63.5×10^3×10^19)Coulomb
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