Across
- 4. A substance made up of only one type of atom.
- 6. Easily broken.
- 8. A repeating arrangement of atoms in a solid
- 10. The columns on the periodic table.
Down
- 1. A shiny element that conducts heat and electricity
- 2. Able to be hammered or pressed into shape without breaking
- 3. A row in the periodic table
- 5. A group of atoms bonded together.
- 7. The smallest particle of an element.
- 9. A substance made of two or more types of atoms.