Across
- 2. A type of reaction that breaks down molecules into smaller units, releasing energy.
- 3. A mixture where particles are dispersed throughout but may settle over time.
- 5. A chemical reaction where a compound breaks down into simpler substances.
- 8. The substances formed as a result of a chemical reaction.
- 11. A lipid that is an essential component of cell membranes.
- 13. The tendency of a substance to undergo chemical reactions.
- 15. The building blocks of polymers.
- 18. Large molecules composed of amino acids; essential for all living organisms.
- 19. Related to the chemical processes that occur within a living organism.
- 20. Atoms or molecules that have gained or lost electrons, resulting in a charge.
- 21. A scale used to measure the acidity or basicity of a solution, ranging from 0 to 14.
- 23. Proteins that act as biological catalysts in living organisms.
- 25. Neutral particles found in the nucleus of an atom.
- 26. A region around the nucleus where electrons are likely to be found.
- 28. A substance that accepts hydrogen ions (H⁺) in a solution.
- 32. A radioactive form of an element, often used in medical imaging or treatments.
- 36. The basic units of matter and the defining structure of elements.
- 37. Substances dissolved in a solvent to form a solution.
- 40. A substance that speeds up a chemical reaction without being consumed.
- 42. Negatively charged particles that orbit the nucleus of an atom.
- 43. The amount of a substance in a given volume of solution.
- 44. A common sugar composed of glucose and fructose.
- 45. A measure of the concentration of a solution, expressed in moles per liter.
- 46. Pure substances consisting of only one type of atom.
- 47. A type of lipid with a structure composed of four fused rings.
- 48. Adenosine triphosphate, the primary energy carrier in cells.
- 49. Anything that has mass and takes up space.
Down
- 1. A simple sugar that is an important energy source in living organisms.
- 4. A type of mixture where one substance is dissolved evenly in another.
- 6. A simple sugar found in many plants; a component of sucrose.
- 7. Large molecules made up of repeating units called monomers.
- 9. The starting substances in a chemical reaction.
- 10. Compounds formed by the reaction of an acid and a base.
- 11. The protection provided by fluids in the body to reduce impact.
- 12. A measure of the average kinetic energy of the particles in a substance.
- 14. Positively charged particles found in the nucleus of an atom.
- 16. A unit measuring the amount of a substance, equivalent to 6.022 × 10²³ particles.
- 17. Combinations of two or more substances that are not chemically bonded.
- 22. The process of maintaining a stable internal environment in an organism.
- 24. A reaction that absorbs energy from its surroundings.
- 27. A substance that donates hydrogen ions (H⁺) in a solution.
- 29. A type of reaction that builds larger molecules from smaller ones.
- 30. A group of naturally occurring molecules including fats, oils, and waxes.
- 31. A mixture where particles are dispersed throughout but do not settle out.
- 33. A component of ATP, involved in energy transfer in cells.
- 34. Substances that help maintain a stable pH in a solution.
- 35. H₂O, a molecule essential for life, acting as a solvent and temperature regulator.
- 38. A measure of an atom’s ability to attract and hold electrons in a chemical bond.
- 39. The ability to do work or cause change.
- 41. The substance on which an enzyme acts.