And represents mass of neutron and proton respectively

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

M_n

and

M_p

represents mass of neutron and proton respectively. An element having atomic mass

M

has

n

neutrons and

Z

protons, then: (1)

M < [N \cdot M_n + Z \cdot M_p]

(2)

M > [N \cdot M_n + Z \cdot M_p]

(3)

M = [N \cdot M_n + Z \cdot M_p]

(4)

M = N[M_n + M_p]