guyssss please helppppp inorganic me

so in 11 class i did my inorgani from md sir but samjh nhi aya kuch kyunki i wasnt taking lectures properly like bas notes m chap deti thi awr abhi i didd ch 1 of ioc again in my 12th from md sir vo to chlo samjh gyi but now i am confusd ki ye chem bonding khan s karun its super confusing for me and everyone is saying ki om sir s karlo someone is saying ravi sir s karlo i am totally cpnfused ki kesse karun ....i want someone that makes concepts easy awr acche lvl k question bhi hojae