Question

elements are present in the second or third Orbit​

Answer 1

Answer:

in second orbit there are 8 electrons and in third orbit there are 18 electrons

Answer 2

Answer:the sequence of an orbit is K,L,M. There are electrons in an orbit of a compound or an atom

1 orbit of an electron= K

2 orbit =L

3 orbit =M

Explanation:In an atom there are 18 electrons their sequence is,

2,8,8