⚗️ เคมี
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.