The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.1 x 10-15 m. The single electron in a hydrogen atom orbits the nucleus at a distance of 5.3 x 10-11 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom? Number i 1.12E+13 Units (no units)

Q: A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its…

A: We know, density=MassVolume

Q: Iron has a density of 7.87 g/cm3, and the mass of an iron atom is 9.27 * 10-26 kg. If the atoms are…

A:

Q: The "classical" radius of a neutron is about 0.79 fm (1 femtometer = 10-15 m). The mass of a neutron…

A:

Q: a) The instantaneous rate [kg/s] of producing a particular compound during a chemical reaction is…

A: We have table given with coordinates (t,rate)=(0,0), (2,0.145), (4,0.354), (6,0.61), (8,0.95),…

Q: Which of the following units of measurement can express electrical conductivity (or specific…

A:

Q: 1. Draw and label the vector with these components. Then determine the magnitude and angle of the…

A: 1.  (a) Ax = 3, Ay = - 2  The magnitude is given by  A= Ax2+Ay2A= 32+(-2)2A = 3.6  The angle is…

Q: The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to…

A:

Q: 7. A crystalline solid consists of atoms stacked up in a repeating lattice structure. Consider a…

A:

Q: 6.27 ± 0.06 cm.  The volume of a sphere is given by  (4/3)?r3.  Find the absolute uncertainty and…

A: Given: The radius of the sphere is r=6.27±0.06 cm. The uncertainty in radius is 0.06 cm.  To find:…

Q: Iron has a density of 7.874 g/cm3, and the mass of a iron atom is 9.27 x 10-26 kg. (a) If the atoms…

A: Given that,  The density of iron, ρ=7.874 g/cm3=(7.874×10-3) kg10-6 m3=7.874×103 kg/m3 Mass of an…

Q: density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occ

A: density= mass/volume