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Which arrangement in relative size is correct? (< sign means 'smaller than')

proton < electron < neutron < atomic nucleus

atomic nucleus < proton < electron < atom

proton < neutron < atomic nucleus < electron

electron < neutron < atomic nucleus < atom

Verified Answer :

syed514

The right option is D.

Answer:

D. electron < neutron < atomic nucleus < atom

Explanation:

size of an electron = 2.82 10^{-15} m.

size of a neutron = 0.8 10^{-15} m.

size of a atomic nucleus = 1.56 *  10^{-14} m.

size of an atom  =  0.1 - 0.5 nanometers

hence if we compare the size of all components we will see size of an electron is the smallest and size of an atom is the largest.

electron < neutron < atomic nucleus < atom

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