What is the electron configuration of an element with atomic number 15? OA. 15225 2p6 OB. 15222 2p 352 35 3p OC O c. 12252 2p 3s 3p OD 15222 2p635 . O E. 152222p53p3 38 39 Ε 3p

Determine the number of moles of air present in 1.35 l at 750 torr and 17.0°c. which equation should you use? n=pv/rt what is the number of moles present? ⇒ 0.056 mol a sample of n2 gas occupying 800.0 ml at 20.0°c is chilled on ice to 0.00°c. if the pressure also drops from 1.50 atm to 1.20 atm, what is the final volume of the gas? which equation should you use? v2= p1v1t2/p2t1 what is the final volume of the gas? ⇒ 932 ml these are the answers