What are the common knowledge points in college entrance examination chemistry?

The distinction between concepts (similar to the distinction between organic matter and inorganic matter, and the distinction between electrolytes)

2 Relative atomic mass of isotopes and average relative atomic mass of elements

three

Calculation of proton, neutron and electron numbers in particles

Calculation of molecular species of isotope formation

5 Discrimination on the definition of Tetralogy (isotope, homologue, etc.). )

Six-element periodic law

7 electronic, off-core electronic configuration.

Definition, types, physical properties, force and polarity of crystal bond.

Evan Garderot Constant and Law.

9 chemical reaction rate and chemical equilibrium

Equilibrium in 10 solution, determination of conductivity, calculation of acidity and alkalinity

1 1

Hydrolysis law of salt

The existence of * * * ion in 12, ionic equation, comparison of ion concentration in solution.

13

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14 oxidation reaction and product determination, equation balance

15 electrochemistry

16 some basic knowledge (such as the main components in human bones)

17 conservation method, extreme value method calculation, solubility calculation, piecewise function calculation, comprehensive calculation.

Basic operation of 18 experiment

19 ion test

Gas preparation, drying, collection and tail gas treatment

2 1 Identification, separation and testing of substances

22 experimental synthesis

23 material characteristics and composition analysis

24 Reflect successive judgments

25 chemical production

Judging the nature of organic matter according to its structural formula

Monomer analysis of 27 addition polymerization products

Organic synthesis