What is the electron arrangement for a Co atom?
Look up Co on the periodic table. Proton number is 27. Therefore, the number of electrons is 27.
1s2, 2s2, 2p6, 3s2, 3p6, 3d7, 4s2
EP
Related Chemistry A Level answers
All answers ▸Why does calcium nitrate decompose in a similar way to magnesium nitrate, but require a higher temperature for decomposition?
Why is benzene more stable than the theoretical model cyclohexa-1,3,5-triene?
How do you form a Born-Haber cycle?
What is mass spectrometry and how does it work?