Across
- 4. a long wire
- 6. anything that has mass and takes up space
- 8. and particles cannot be separated out from the
- 9. A formula that identifies the element in a compound and the amount in each element
- 11. change change that results when two or more substances
- 12. invisible negatively charged particle that orbits the nucleus
- 13. positively charged center of an atom ; proton neutrons
- 18. The absorption of Heat
- 21. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
- 23. horizontal row of element in the periodic table.
- 24. to react to different substance or substance.
- 26. element.
- 27. When 2 non-metals combine and create a pure substance
- 29. smallest part of an element that is representative of
- 30. reacts with oxygen to produce energy , water and carbon dioxide.
- 31. An attribute, quality, or characteristic of something
- 32. cloudy mixture in which tiny particles of one substance are held within another , and the particles can separated.
- 36. Substance that is produced in the reaction
Down
- 1. Anything that has mass or occupies space
- 2. an atom electrically charged when it loses or gains electrons
- 3. property property that describes the physical appearance and composition of the substance
- 5. dull, brittle element that does not conduct electricity
- 7. A law that explains that matter cannot be created nor destroyed
- 10. respiration chemical reaction that takes place in cells;
- 14. description of a solid that can be stretched
- 15. substance.
- 16. The release of heat
- 17. change change in the appearance or state of a substance that doesn't change composition of the substance
- 19. an atom
- 20. most reactive non-metals
- 22. cloudy mixture in which tiny particles of one substance are held with
- 25. more quickly.
- 28. substance that helps a chemical reaction to
- 33. new substance produced in a chemical reaction between reactants
- 34. of protons, neutrons , and electrons of the atom.
- 35. mass mass of one atom of an element calculated from the total