All equations in junior high school chemistry do not contain Chinese characters

Actually, it doesn't have to be so much. According to what the teacher usually focuses on. And I'm not familiar with it, just review it carefully.。。 I didn't have to put much thought into chemistry in my third year of junior high school, and my grades were good.

It's all in the book and can be summarized appropriately.

Iron burns in oxygen: 3Fe + 2O2 ignites Fe3O4

You don't know what you're described. Can you elaborate on that?

Element: Oxygen: O2 Nitrogen:

N2 Hydrogen:H2 Fluorine:F2 Chlorine:

Cl2 Bromobr2 Helium:He Argon: AR Iron:

Fe Aluminum:Al Copper:Cu Hg Hg Carbon:

c Sulfur: s Phosphorus: P Iodine:

i2 oxide:

Carbon dioxide: CO2 Sulphur dioxide: SO2 Sulphur trioxide: SO3 Carbon monoxide: CO

Nitrogen dioxide: NO2 Nitric oxide: no Copper oxide: Cuo Iron oxide: Fe2O3

Ferrous oxide: Feo Mercury oxide: Hgo Water: H2O Alumina: Al2O3

Manganese dioxide: mnO2 Zinc oxide: Zno Calcium oxide: Cao Potassium oxide: K2O

Sodium Oxide: Na2O Silica: SiO2 Barium Oxide: Bao Magnesium Oxide: MGO

Nitrous pentoxide: N2O5 Phosphorus pentoxide: P2O5 Nitrous oxide: N2O ferric tetroxide: Fe3O4

Sodium peroxide: Na2O2 hydrogen peroxide (hydrogen peroxide) H2O2

Compounds: potassium chloride, KCL, zinc sulfide, ZNS, HCl, HCl, ammonia, NH3

Potassium chlorate, KCLO3, sodium sulfide, Nas sulfate, H2SO4, ammonium sulfate(NH4)2SO4

Silver chloride, AGCL, potassium sulfide, K2S, HNO3 nitrate, ammonium nitrate, NH4NO3

Sodium chloride, NaCl, ferric sulfate, Fe2(SO4)3, calcium carbonate, CaCO3, ammonium bicarbonate, NH4HCO3

Magnesium chloride, MgCl2, Aluminum sulfate, Al2(SO4)3, Sodium carbonate, Na2CO3, Urea, CO(NH2)2

Aluminum chloride, Alcl3, zinc sulfate, ZnSO4, barium carbonate, BaCO3, basic copper carbonate, Cu2(OH)2CO3

Ferric chloride, FeCl3, copper sulfate, CuSO4, silver nitrate, AgNO3, calcium hydroxide, Ca(OH)2

Ferrous chloride, FeCl2, sodium sulfate, Na2SO4, potassium nitrate, KNO3, barium hydroxide, Ba(OH)2

Calcium chloride, CaCl2, barium sulfate, Baso4, sodium nitrate, nano3, iron hydroxide, Fe(OH)3

Barium chloride, BaCl2, magnesium sulfate, MgSO4, Methane, CH4, copper hydroxide, Cu(OH)2

Zinc chloride, ZnCl2, potassium permanganate, KMNO4, acetylene, C2H2, sodium hydroxide, NaOH

Potassium manganate, K2Mno4, ethylene, C2H4, alcohol, C2H5OH

Atomic group: sulfate SO4, sulfite SO3, nitrate NO3, phosphate PO4, carbonate CO3

Chlorate, CLO3, permanganate, MNO4, manganate, K2mnO4, hypohydrochloride, HLO ammonium, NH4, hydroxide, OH

H hydrogen and helium.

Li-lithium beryllium.

bBoron c carbon. n Nitrogen o oxygen.

F-fluorine-neon.

Na sodium mg magnesium.

Al Aluminum Si Silicon.

P phosphorus s sulfur. Cl chloroargon.

K potassium ca calcium.

Scandium titanium.

Cr chromium mn manganese.

Fe iron cocobalt.

Ni nickel Cu copper.

Zn zinc br bromine.

Ag silver cd cadmium.

SN tin i iodine.

Cs cesium ba barium.

You will remember more deeply than others will summarize it yourself than others give you.

You'd better turn the book slowly... Too much.