Angeldayag02go Angeldayag02go Science Answered 4. What is the correct electron configuration and quantum numbers for Ca with atomic mass of 20. a. 1s2 2s22p6 352 3p6 452 n=4 1=1 ml=1 ms= +1/2 = b. 1s2 2s22p6 3s2 3p6 4s2 n=4 l=0 ms= +1/2 c. 1s2 2s22p6 352 3p8 n=31=0 ml=0 ms=-1/2 d. 182 282 2p6 352 3p8 IF=3 l=1 ml=-1 ms=-1/2 ml=0