Across
- 2. Positively charged particle in the nucleus of an atom.
- 4. Chemical combination of two or more elements in a specific ratio.
- 6. Change of state from a gas to a solid.
- 7. An experiment in which all reactants and all products of a chemical reaction are accounted for.
- 8. Atom that has become electrically charged because it has gained or lost electrons.
- 14. Orbit of electrons around the nucleus of an atom.
- 18. A combination of pure substances.
- 19. Shiny, malleable, ductile element that conducts electricity.
- 22. Mixture in which the different substances that make it up are visible.
- 24. Pure substance formed when at least one metal and one non-metal combine.
- 25. Change in the appearance or state of a substance that doesn’t change the composition.
Down
- 1. Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of that atom.
- 3. Neutral particle in the nucleus of an atom.
- 5. Number of protons in the nucleus of one atom of an element.
- 9. Pure substance that cannot be broken down into other substances.
- 10. New substance created in a chemical reaction between reactants.
- 11. A cloudy mixture in which tiny particles within a substance are held within another and can not be separated.
- 12. Pure substance formed when non-metals combine.
- 13. An experiment in which one or more products of a chemical reaction can escape.
- 15. Change that results when two or more substances react to create a different substance or substances.
- 16. Horizontal row of elements in the periodic table.
- 17. Mixture of two or more pure substances that looks like one substance.
- 20. The smallest part of an element that is representative of that element.
- 21. An element that has both metallic and non-metallic properties.
- 23. (In Chemistry) Vertical column of elements in the periodic table, also called a group.