Aneutral atom possesses an atomic number of 13 and an atomic mass of 27. three electrons are lost. from what region of the atom are they lost?

a)outside the atom

b)outside the nucleus

c)inside the nucleus

d)both inside and outside the nucleus

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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