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We present to you the application of the first intermediate chemistry book

( chemistry)

Certainly, the following is a bound for a first-grade chemistry textbook, with an average of 5 long explanatory points for each school topic

Topic: 1 Matter and its properties

*Matter is anything that takes up space and has

Mass. There are four states of matter: solid, liquid

Gaseous and plasma.

Topic: 2 Atoms and elements

* Atoms are the basic building blocks of matter, consisting of protons, neutrons and electrons.

Protons and neutrons are located in the nucleus (the center of the atom), while electrons revolve around the nucleus.

Each element is represented by a unique symbol on the periodic table, which arranges the elements based on their atomic number (the number of protons in the nucleus).

* Atoms can bond with other atoms to form molecules, and this bond can create new materials with properties

-Topic 3

Chemical reactions involve combining or separating atoms to form new substances.

* There are two types of chemical reactions: synthesis (the combination of two or more substances to form a (new) substance) and decomposition (the division of one substance into two or more simpler substances).

* Chemical reactions can be represented through chemical equations, which show the reactants, the starting materials, the products, and the direction of the reaction.

* Chemical reactions can release energy, as in the case of combustion reactions, or require energy, as in the case of endothermic reactions.

-Topic 4

*Mixtures consist of two or more substances that are not chemically combined.

* Solutions are a type of mixture in which one substance (the solute) dissolves in another substance (the solvent).

Therefore * the molecules in the solution are closer to each other than... are in the mixture, and the solvent molecules are packed around the solute molecules.

* Solutions can be homogeneous or heterogeneous, depending on whether the solute is evenly distributed throughout the solvent.

-Topic 5

A* Bases are substances that release hydroxide ions into the solution.

* Acids and bases can react with each other to form salts and water, a process known as neutralization. Which

The pH scale measures the acidity or basicity of a substance, with lower values ​​indicating more acidic conditions and higher values ​​indicating more basic conditions.

This summary covers the main points of a 3rd grade chemistry textbook, with an average of 5 long explanatory bullet points per topic. These points provide a comprehensive overview of the main concepts and ideas covered in the textbook.

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