Astudent converted 68.0 km to meters their answer was 0.068m explain why this is incorrect and what is the likely source of error

Explain which atom l or m is more stable and why

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li