Question

Calculate thenumberofelectron which will together weigh one gram

Answer 1

Heya!!

Mass of an electron = 9.1 x 10-28 g

9.1 x 10-28 g contains = 1 electron

Therefore 1g contains = 1/9.1 x 10-28 *1 = 1.098 x 1027 electrons

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Answer 2

Explanation:

Calculate the number of electrons present in it . ... Therefor, some α-particles will easily deflected back. ... Number of electrons in the neutral atom = x-1 (ion possesses one unit