7hmmapj6in 7hmmapj6in 25-01-2021 Chemistry contestada Which of these is the correct electron configuration notation for a calcium ion? • 1s 2s 2p 3s 3p6 • 1s²2s22p63s 3p 4s24p6 • 1s²2s22p 3s 3p 4s? • 1s²2s 2p 3s 3p 4s