Across
- 2. without breaking
- 7. A substance made up of only one type of atom
- 10. A symbol that shows the chemical composition of a substance
- 13. Able to be hammered or pressed into
- 14. An element that is highly non-reactive
- 16. Easily broken
- 17. An element that typically does not conduct heat or electricity
- 20. A grid arrangement of all known chemical elements
- 23. One or two letters used to represent an element
- 25. A substance made up of two or more types of atoms bonded together
Down
- 1. The temperature at which a substance changes from solid to liquid
- 3. attractive force that holds two atoms together
- 4. The number by which elements are ordered in the periodic table
- 5. A shiny element that conducts heat and electricity
- 6. Tending to chemically interact with other substances
- 8. A column in the periodic table
- 9. temperature which a substance changes from liquid to gas
- 11. The smallest particle of an element
- 12. No atoms can be created or destroyed during a chemical reaction.
- 15. A single substance without anything mixed in
- 18. The re-arrangement of atoms to form one or more new substances
- 19. Tending not to chemically interact with other substances
- 21. A row in the periodic table
- 22. A group of atoms bonded together
- 24. A repeating arrangement of atoms in a solid