Hello aspirant,

I am mentioning below the chapter wise weightage of Chemistry and Physics chapters so you can focus more on chapters which come frequently in the NEET exam-

PHYSICS-

Physical-world and measurement:- 2%
Kinematics:- 3%
Laws of Motion :- 3 %
Work, Energy and Power :- 4 %
System of Particles and Rotational Motion :- 5 %
Work, Energy and Power :- 4 %
Gravitation :- 2 %
Properties of Bulk Matter :-3 %
Thermodynamics :- 9 %
Behaviour of Perfect Gas and Kinetic Theory :- 3 %

Oscillation & Waves :- 3 %
Electrostatics :- %
Current Electricity :- 8 %
Magnetic Effect of Current & Magnetism :- 5 %
Electromagnetic Induction & Alternating Current :- 8 %
Electromagnetic Waves :- 5 %
Dual Nature of Matter and Radiation :- 6%
Atoms & Nuclei :- 3 %
Optics :- 10 %
Semiconductor Electronics :- 9 %

CHEMISTRY-

Basic Concepts of Chemistry :- 1 %
Structure of Atom :- 2 %
Classification of Elements & Periodicity in Properties :- 2%
Chemical Bonding and Molecular Structure :- 5 %
States of Matter: Gases and Liquids :- 2 %
Equilibrium :-6 %
Thermodynamics :- 8 %
Redox Reactions :- 3 %
s-Block Elements :- 2 %
Some p-Block Elements :- 2 %
Organic Chemistry: Basic Principles & Techniques :- 4 %
Hydrocarbons :- 3 %

Solid State :- 2 %
Solutions :- 5 %
Electrochemistry :- 2 %
Chemical Kinetics :- 3 %
Surface Chemistry :- 2 %
Isolation of Elements :- 2 %
p-Block Elements :- 5 %
d- and f-Block Elements :- 4 %
Coordination Compounds :- 9 %
Haloalkanes and Haloarenes :- 3 %
Alcohols, Phenols and Ethers :- 4 %
Aldehydes, Ketones and Carboxylic Acids :- 4 %

In chemistry, chapters included in Physical Chemistry such as Thermodynamics, Equilibrium, Structure of Atom and others are completely formula based and 30% theory.

In Physics, Semiconductors, Thermal Properties of matter, Oscillations chapter is theory-based

Here are some important topics list to ace your preparation- https://medicine.careers360.com/articles/neet-preparation-tips

Hope it helps!