Use 1 x 10^-13 cm as the approximate diameter of the spherical nucleus of the hydrogen-1 atom, together with data from Table 2.1, to estimate the density of matter in a proton.

Table 2.1

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TABLE 2.1 Properties of Three Fundamental Particles Electric Charge Atomic Mass SI (C) Proton +1.6022 x 10-19 +1 Neutron 0 0 Electron -1.6022 × 10-19 -1 au is the SI symbol for atomic mass unit (abbreviated as amu). SI (g) 1.6726 x 10-24 1.6749 × 10-24 9.1094 x 10-28 Atomic (u)² 1.0073 1.0087 0.00054858