Iodine: a purple nonmetal The brightest experiments with iodine and its areas ...
Possible oxidation states of oxygen in chemical reactions Can oxygen be a reducer?
Oxidation states of oxygen and its characteristics Some properties of oxygen and its compounds
Oxidation states of chromium How many oxidation states does chromium have?
Oxidation states of arsenic How many oxidation states does arsenic have?
Chalcogens and their side subgroup General properties of chalcogenes and their similarity
Reaction between copper sulfate and iron What can you see when iron reacts with ...
Nitrogen and equations of reactions with it What properties are typical for nitrogen?
Characteristics of magnesium, qualitative reactions General properties of magnesium and its compounds
Oxidation states of nitrogen How many oxidation states does nitrogen have?
Properties of barium All important properties of barium and its compounds
Chromium: bright and dangerous The history and properties of chromium
Tin: a crackling metal Why tin squeaks when bent
Properties of zinc Reactions with zinc and its compounds
Copper: the metal of an entire era The brightest experiments with copper
Mercury: a liquid metal Chemical properties and areas of application
Sodium and qualitative reactions to it How to detect sodium
Oxygen: an element that caused an ecological catastrophe Chemical properties and the most interesting facts about ...
How hydrochloric acid reacts with aluminum. Formulas and description of process Features of hydrochloric acid and aluminum interaction
Praseodymium: a metal that generates cold How praseodymium was discovered and where it’s used
Qualitative reactions to zinc Qualitative reactions to zinc, or chemistry experts lead ...
Reaction of iron and chlorine, and iron and chlorine as simple substances Properties of iron and chlorine, how they interact
Lithium: the first metal in the periodic table How it was discovered and where it's used
Magnesium: from plants to camera flashes How it was discovered and where it is ...
Polymerization and polycondensation reactions Main characteristics and stages
Methods for determining the oxidation state in acids Main concepts and special cases
Reaction without change in oxidation state Theoretical information and types of reactions without change ...
Chemical reactions of iron with simple and complex substances, and its role in human activity Properties of iron
Elements with a variable oxidation state Rules for determining oxidation state
Chemical and physical properties of zinc How it reacts with other elements