Can you please provide a clearer image?
Thanks
Answer:
hco3
Explanation: bc i said so
Ignoring the n's, there would only be one unpaired electron.
Answer:
See Explanation
Explanation:
Because you have to get through the d-block electron configurations for the rest of the p-block elements which is a hassle to do. You need to know how to account for electron stability, from which subshell to remove electrons, etc. because it is all weird for d-block.