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Chemistry Of Life
10
atom : the basic unit of matter
element : a pure substance that consists entirely of one type of atom
isotopes : atoms of the same element that differ in the number of neutrons they contain
compound : a substance formed by the chemical combination of two or more elements in definite proportions
cohesion : the attraction between molecules of the same substance
adhesion : the attraction between molecules of different substances
mixture : a material composed of two or more elements or compounds that are physically mixed together but not chemically combined
acid : any compound that forms H+ ions in solution
pH scale : a measurement system that indicates the concentration of H+ ions in solution
chemical reaction : a process that changes one set of chemicals into another
Chemistry Of Life
Across:2. | a material composed of two or more elements or compounds that are physically mixed together but not chemically combined | 3. | a measurement system that indicates the concentration of H+ ions in solution | 5. | the basic unit of matter |
| 9. | a pure substance that consists entirely of one type of atom | 10. | atoms of the same element that differ in the number of neutrons they contain |
| | Down:1. | a process that changes one set of chemicals into another | 4. | the attraction between molecules of different substances | 6. | the attraction between molecules of the same substance |
| 7. | a substance formed by the chemical combination of two or more elements in definite proportions | 8. | any compound that forms H+ ions in solution |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
Chemistry Of Life
Across:2. | a material composed of two or more elements or compounds that are physically mixed together but not chemically combined | 3. | a measurement system that indicates the concentration of H+ ions in solution | 5. | the basic unit of matter |
| 9. | a pure substance that consists entirely of one type of atom | 10. | atoms of the same element that differ in the number of neutrons they contain |
| | Down:1. | a process that changes one set of chemicals into another | 4. | the attraction between molecules of different substances | 6. | the attraction between molecules of the same substance |
| 7. | a substance formed by the chemical combination of two or more elements in definite proportions | 8. | any compound that forms H+ ions in solution |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only