Question

hello.? :)

Answer 1

?

Answer 2

whats tha question mark for.? :)

Answer 3

Wondering why you're saying hello and not posting a question :P

Answer 4

okay well here is ur question: If an atom has 3 energy levels, how many sublevels should it have? :)

Answer 5

Energy levels are denoted by quantum level n, sub levels by l:

l = n-1

Answer 6

thanks