What is the atomic radius in picometers of an argon atom if solid argon has a density of 1.623 g/cm3 and crystallizes at low temperature in face-centered cubic unit cell

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm