Bodybuilding:Am i doing it all correct?

Been going to the Gym for like 5 months now well actually 9 But the early 4 months i've been doing it all wrong So Guys please correct me if i'm Doing it all wrong Ok so here i Train 6 days a week

Mon - Chest Triceps

Tues - Back Biceps

Wed - Shoulder Legs

Thur - Chest Triceps

Fri - Back biceps

Sat - Legs shoulder

Sunday - Rest

*Every exercise has atleast 1 - 2 warm up sets*

Current workout for chest:

Bench press 3x12

Incline DB Press 3x12

Incline DB Fly 3x12

Cable Crossover 4x12

Current workout for triceps:

Dips 5x10

Triceps extensions 4x12

Triceps Cable pushdown 4x12

Single arm Cable triceps pushdown 4x12

Lying Triceps skull crushers 3x12

Current workout for Back:

Pull ups

Deadlifts 4x8

Bent over row 3x12

Close grip lat pulldown 4x12

Wide grip lat pulldown 3x12

Single arm lat pulldown 4x12

Current workout for biceps:

EZ Bar curl 4x12

Incline db curl 3x12

One arm concentration curl 4x12

Standing alternate DB Curls 4x12

Current workout for Shoulders:

Shoulder press 3x12

Lateral raise 3x12

Barbell upright row 3x12

Bent over cable rear lateral raise 4x12

Current workout for legs:

Squats 5x12

Leg press 4x12

Seated calf raise 4x15

Standing calf raise 4x15

Leg curl 4x12

Am i doing it all right? or should i remove some other exercise because its too much? are the reps/sets fine? should i add or lower it a little bit? Should i replace some exercise?

Sorry english is not my first language