Which element would have the following electron configuration in the ground state?
1s22s22p63s23p1A) BB) AlC) ND) PE) Ga
Answer:
Jay, It's easier to see if you insert blanks: 1s2 2s2 2p6 3s2 3p1The second row electrons are filled, and now you are looking for a 3A element in the thrid row: that would be Al (aluminum)Hope that helped!