Which element has the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d4?

Which element has the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d4?

Which element has the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d4?




a. titanium
b. chromium
c. sulfer
d. selenium




Answer: B