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สสาร ปฏิกิริยา และโมเลกุล

🧬Nucleic Acid

A biopolymer such as DNA or RNA that carries genetic information.

🎯Nucleus

The central core of an atom containing protons and neutrons.

☁️Orbital

A region of space where an electron is most likely to be found.

🌿Organic Compound

A chemical compound containing carbon atoms bonded to hydrogen.

🦠Oxidation

The loss of electrons by a substance during a reaction.

📊Periodic Table

A tabular arrangement of elements by atomic number and properties.

📏pH

A logarithmic scale measuring the acidity or alkalinity of a solution.

🧭Polarity

The separation of electrical charge in a molecule due to unequal sharing.

⚛️Polyatomic Ion

An ion composed of two or more atoms covalently bonded that acts as a single unit.

⛓️Polymer

A large molecule made of repeating structural units called monomers.

❄️Precipitation

The formation of a solid from a solution during a reaction.

📤Product

A substance formed as a result of a chemical reaction.

🔴Proton

A positively charged subatomic particle found in the atomic nucleus.

📥Reactant

A substance consumed in a chemical reaction.

⏱️Reaction Rate

The speed at which reactants are converted into products.

🔁Redox Reaction

A reaction involving simultaneous oxidation and reduction.

🔋Reduction

The gain of electrons by a substance during a reaction.

🧂Salt

An ionic compound formed from the reaction of an acid and a base.

↔️Simple Diffusion

The movement of molecules from an area of higher concentration to lower concentration without energy input.

💧Solubility

The maximum amount of solute that can dissolve in a solvent.

🧂Solute

The substance dissolved in a solvent to form a solution.

💧Solution

A homogeneous mixture of a solute dissolved in a solvent.

🧴Solvent

The substance in which a solute is dissolved to form a solution.

🌈Spectroscopy

The study of how matter interacts with electromagnetic radiation.

🧮Stoichiometry

The calculation of reactant and product quantities in chemical reactions.

🌡️Thermodynamics

The study of energy, heat, and work in chemical systems.

💧Titration

A method to determine concentration by adding a reagent of known strength.

💧Unsaturated Solution

A solution that can still dissolve more solute at a given temperature.

🔗Valence Electron

An outer-shell electron involved in chemical bonding.

🌫️Van der Waals Forces

Weak intermolecular attractions between molecules.