Across
- 3. describes a chemical reaction by showing how atoms in the reactants are
- 6. substance formed as a result of a chemical reaction (right side)
- 8. a substance is evenly distributed (or dissolved) within a liquid, gas, or solid
- 9. a pure substance (same throughout) that is made up of one type of atom.
- 10. All compounds are molecules but not all molecules are compounds.
- 13. the starting materials found in a chemical equation(left side) that will react together
- 18. change in form or appearance but not chemical make-up
- 19. symbol a letter abbreviation of an element name; always starts with a capital letter
- 25. For Example, in the compound H 2 O there are 2 atoms of Hydrogen
- 26. group of atoms bonded together composed of a single element or a single
- 27. protons and neutrons and an electron cloud
- 29. mass stays the same during a reaction. The total mass of the
- 33. during a reaction a new substance is made when the atoms of the original
- 34. glucose (food)
Down
- 1. the smallest particle of matter that has distinct properties because of its nucleus which
- 2. energy using the energy from sunlight to convert carbon dioxide and water into oxygen
- 4. consists of multiple different substances that are not evenly
- 5. are rearranged to make something new (evidence: precipitate, energy change, gas,
- 7. each sample of the mixture will have the same proportion of components
- 11. so each sample of the mixture may have different proportions of components
- 12. a chart of all the known elements on Earth organized based on the physical
- 14. sometimes color)
- 15. a set of chemical symbols (letters) and subscripts (numbers) showing
- 16. matter is not created or destroyed just rearranged
- 17. elements are bonded together to form a molecule
- 20. bonded together. For Example H 2 O all water molecules are mode the same
- 21. consists of multiple different substances that are evenly distributed
- 22. The big number in front of a formula that indicates how many molecule groups.
- 23. the chemical process by which plants (and some bacteria) produce their own
- 24. to form new substances in the products
- 28. pure substance (same throughout) that is made up of two or more different
- 30. the small number behind the element indicates the number of atoms for that
- 31. chemical properties of each
- 32. is equal to the total mass of the products (the type and number of atoms stays the