An atom contains electrons, protons and neutrons. If the mass of each neutrons is halved, and each electron is doubled, then the atomic mass of `._(12)Mg^(24)`

Options

A. Gets doubled
B. Approximately remain same
C. Approximately get reduced by `5%`
D. Approximately get reduced by `25%`

Answer

D

Explanation

`{:(,p,n,"mass"),("Initial",12,12,24),("Final",12,6,18):}`
`=(6 xx 100)/(24) = 25%` reduced