Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Chapter 1, Matter and Measurements Terms: science law theory chemical reaction chemistry matter mass weight substance element law of constant composition law of definite proportions compound atom molecule polyatomic molecule diatomic molecule homoatomic molecule heteroatomic molecule mixture heterogeneous mixture homogeneous mixture solution homogeneous matter heterogeneous matter intensive property extensive property chemical property physical property chemical change physical change megakilodecicentimillimicronanoliter force pressure density temperature absolute zero You should be able to: 1. classify matter as substance, element, compound, homogeneous mixture, or heterogeneous mixture, 2. list the diatomic elements, 3. list the names and formulas for elements 1-36,47,79,80,82, 4. list in order the most abundant elements in the universe, Earth' crust, and the human body, 5. classify properties as physical, chemical, intensive, or extensive, 6. classify molecules as polyatomic, diatomic, homoatomic, or heteroatomic, 7. classify changes as physical or chemical, 8. list the fundamental SI units for mass, length, time, temperature, amount of matter, area, volume, velocity, acceleration, force, pressure, 9. given a number indicate how precisely the number is known, 10. indicate how many significant figures are in a given number, 11. perform calculations and write the answer with the correct number of significant figures, 12. work percent calculations, 13. round numbers correctly, 14. make conversions using dimensional analysis, 15. make temperature conversions, 16. work problems involving density.