Across
- 2. A chemical reaction in which a substance loses electrons.
- 3. A measure of the acidity or alkalinity of a solution.
- 4. A chemical reaction in which a substance gains electrons.
- 6. A mixture in which one substance dissolves in another.
- 9. A particle with no charge, found in the nucleus of an atom.
- 10. A combination of two or more substances that are not chemically bonded.
- 11. A vertical column in the periodic table, containing elements with similar properties.
- 15. A substance made of two or more different types of atoms bonded together.
- 17. A substance that undergoes a chemical reaction.
- 18. A substance that is dissolved in a solvent to form a solution.
- 20. A substance that speeds up a chemical reaction without being consumed in the process.
- 23. A substance made of only one type of atom.
- 26. A positively charged particle found in the nucleus of an atom.
- 27. Atoms of the same element that have different numbers of neutrons.
Down
- 1. The process of a liquid turning into a gas at the surface.
- 3. A substance produced as a result of a chemical reaction.
- 5. Two or more atoms bonded together.
- 7. A reaction that absorbs heat from its surroundings.
- 8. A principle that mass is neither created nor destroyed in a chemical reaction.
- 12. An atom or molecule with a charge, either positive (cation) or negative (anion).
- 13. The process of a gas turning into a liquid.
- 14. A solution that is neither acidic nor basic, with a pH of 7.
- 16. A substance that accepts hydrogen ions (H⁺) or releases hydroxide ions (OH⁻) in solution.
- 19. The smallest unit of matter, made up of protons, neutrons, and electrons.
- 21. The force that holds atoms together in a molecule or compound.
- 22. A horizontal row in the periodic table of elements.
- 23. A reaction that releases heat into its surroundings.
- 24. A negatively charged particle that orbits the nucleus of an atom.
- 25. A substance that releases hydrogen ions (H⁺) in solution.