What is the total number of orbitals found in the second energy level?

Principal Energy Light  Type of sub level  Maximum number of electrons
                                       P                         8
2                                                                
                                       S                          18
3                                    
                                       P
Hope It really Helps

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .