Question

write reaction for cobalt ion co2+​

Answer 1

Answer:

this is the answer

Explanation:

Mark as brainlliest answer

Answer 2

Answer:

ATOMIC NUMBER  OF COBALT IS 27

SO ELECTRONIC CONFIGURATION: 2,8,8,9

Explanation:

SINCE IT HAS 1 EXTRA ELECTRON SO IT DONATES AND HENCE AQUIRES A NET POSITIVE CHARGE OF +1

AND ITS ELECTRONIC CONFIGURATION WILL BE 2,8,8,8

SINCE IT HAS 8 ELECTRONS IN IT'S OUTERMOST SHELL,SO IT'S OCTET IS COMPLETED AND IT BECOMES STABLE