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
Answered by Emma P. Chemistry tutor

2539 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

Explain the decrease in reactivity of Group 2 elements as you go down the periodic table


How will the position of equilibrium shift for an endothermic reaction when heated?


What does Le Chatelier's principle say happens to an equilibrium when temperature is changed or a catalyst is added?


a sample of hydrated NiSO4 witha mass of 4.414g is heated to remove all water crystallisation. The resultant mass is 2.287g. How many H2O molecules to each NiSO4 were there in the original sample


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning