Which of the following elements has the largest atomic radius? potassium calcium cobalt nickel

During which time interval does the object travel approximately 10 meters

Name the intersection of plane bpq and plane cpq.

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.