Across
- 2. located on the periodic table
- 4. identifies the name of the atom.
- 10. the elements or compound on the left side.
- 11. to describe the types of atoms and their numbers in a molecule or compound
- 12. neutrally charged subatomic particles that are in the nucleus.
- 14. when a new substance is created from other materials.
- 16. multiple of different elements.
- 17. representation of a chemical reaction using symbols.
- 18. elements or compound found on the right side.
- 20. malleable, shiny, conductor of heat and electricity.
- 21. makes an atom (electrons, protons, neutrons.)
Down
- 1. a change in appearance/form.
- 3. a particle of matter that uniquely defines an element.
- 5. dull, not malleable, and brittle.
- 6. determine the reactivity of the atom.
- 7. the electrons encircle the nucleus of the atom in specific allowable paths called orbits.
- 8. how many shells an element has
- 9. a chemical bond formed when two atoms share one or more pairs of valence electrons
- 13. Represented by a coefficient in front of the chemical equation ex:2N
- 15. malleable and brittle, shiny and dull, insulator and conductor.
- 19. in the electron cloud and are negatively charged.