Question

please answer the question fast​

Answer 1

Answer:

Correct option is

A

n=4,l=0,m=0,s=+

2

1

29

Cu=2,8,18,1

=1s

2

,2s

2

2p

6

,3s

2

,3p

6

,3d

10

,4s

1

∴ Quantum numbers for 4s

1

electron are:

n=4,l=0,m=0,s=+

2

1

.

Hence, option A is correct.

Answer 2

Answer:

which class tell me fasr