Across
- 3. A way of expressing information about a chemical reaction using chemical element symbols, numbers, and symbols like (), +, and →.
- 4. Elements left of the metalloid "staircase" on the periodic table; they are malleable, shiny, conduct heat and electrical current, and all but one are solids at room temperature
- 7. A chemical bond that involves the electrostatic attraction between oppositely charged ions.
- 8. A number, figure, symbol, or indicator that is smaller than the normal line of type and is set slightly below it. Represent how many atoms of a certain type are in a molecule.
- 10. The idea that, in physical changes and chemical reactions, matter can not be created or destroyed.
- 14. Donates OH- when in water, is bitter, corrodes tissues, turns red litmus blue.
- 17. A reaction where one single compound breaks down into two or more simple chemicals.
- 20. A material or liquid that will change to a known color when in the presence of a certain pH.
- 23. When a substance (or a few substances) change into another substance. The number and types of atoms are the same, but they are bonded together differently than before.
- 25. A substance that decomposes rapidly under certain conditions with the production of gases, which expand by the heat of the reaction. The energy released is used in firearms, blasting, and rocket propulsion
- 26. A chemical reaction where one component each of both the reacting molecules is switched to form the products.
- 29. A substance that is altered or incorporated into another substance in a chemical reaction. What you start with.
- 30. A group of elements with similar chemical properties. These tend to be associated with the vertical columns on the periodic table.
- 31. A system of information and labels related to hazardous materials designed to ensure the safety of employers and employees while at the workplace.
- 32. The elements on the right of the periodic table; they are brittle, do not conduct heat or electric current, and can be solids, liquids, or gases at room temperature.
Down
- 1. A type of double displacement reaction in which a strong acid and strong base react with each other to form water and salt.
- 2. A chemical equation that has coefficients to show how many of molecules of the reactants and the products are needed in order to conserve mass is described as this.
- 4. A sheet of information about the composition and properties of a chemical substance, as well as steps for handing and storing it safety.
- 5. A reaction where two or more chemicals combine to form a more complex product.
- 6. Icons that appear on household product labels to warn of possible dangers such as explosive, corrosive, flammable or poisonous.
- 8. A type of chemical reaction where a single element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
- 9. The rows in the periodic table are also known as this.
- 11. Donates H+ when in water, is sour, corrodes metal and tissues, turns blue litmus red.
- 12. Material that ignites easily and burns rapidly with a flame.
- 13. A substance used to neutralize acidity, especially in the stomach
- 15. A chemical bond that involves the sharing of electron pairs between atoms.
- 16. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- 18. A scale ranging from 0 to 14, reflecting the concentration of hydrogen ions in solution (how acidic/basic a substance is).
- 19. A substance that will destroy and damage other substances with which it comes into contact.
- 21. A way of expressing information about a chemical reaction using words and symbols like + and →.
- 22. A number written in front of a chemical formula in a balanced chemical equation to show how many of that atom or molecule are present.
- 24. A way of expressing information about a chemical (molecule or ion) using chemical element symbols, numbers, and symbols like (), +, and -.
- 26. A solution containing a relatively small quantity of solute as compared with the amount of solvent. For example, if you add a lot of water to juice, it becomes this.
- 27. The substance(s) that are created during a chemical reaction. The end result.
- 28. A substance that is capable of causing the illness or death of a living organism when introduced or absorbed.