Study Guide for Chapters 0-2
Study Guide for Chapters 0-2 Chem 1110 - 02
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This 3 page Study Guide was uploaded by Corey Stewart on Sunday September 18, 2016. The Study Guide belongs to Chem 1110 - 02 at East Tennessee State University taught by Dr. Greg Love in Fall 2016. Since its upload, it has received 139 views. For similar materials see General Chemistry in Chemistry at East Tennessee State University.
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Date Created: 09/18/16
Study Guide for Chapters 0-2 1. What makes up all matter? A. Molecules B. Stuff C. Atoms D. Muscles 2. Atoms are the smallest particle that describe a/an ______________. 3. Atoms come together in specific ___________. 4. The atomic number is the number of ____________ an atom has. 5. Which subatomic particle doesn’t affect the mass of an atom very much? A. Proton B. Neutron C. Electron D. Megatron 6. The mass number is equal to the number of ____________ and _____________ an atom has. 7. By knowing the number of protons an atom has, you will also know the number of ___________. 8. Find the atomic mass of hydrogen. Protium (hydrogen – 1) has a mass number of 1 and a percent abundance of 99.98%, deuterium (hydrogen – 2) has a mass number of 2 and a percent abundance of 0.0184%, tritium (hydrogen – 3) has a mass number of 3 and a percent abundance of 0.0016%. (Note: In my notes, I realize I may not have been clear with how to do this type of problem. Multiply the percent abundance of the isotope as a decimal by the mass number of the isotope. Once you have done this for all three isotopes, add the numbers together. [H – 1 has a percent abundance of 99.98% (so .9998) and a mass number of 1]) 9. A proton has a ___________ charge. An electron has a _________ charge. A neutron has a __________ charge. 10. One amu is equal to __________ the mass of a Carbon – 12 atom. A. 1/12 B. ½ C. 1/3 D. ¾ 11. A law is usually a/an ________ and only explains what not why. 12. A theory explains a/an ______. 13. _____________ is anything that has mass and takes up space. 14. __________ is the measure of matter in an object while __________ is the measure of gravity pulling on an object. 15. A chemical reaction results in a change in _______________________. 16. _______________ is a chemical reaction in which one compound is broken down into many. 17. ______________ can’t be broken down by simple chemical means. 18. What is the correct format of a chemical symbol? A. h B. hE C. U D. fe 19. Compounds are found in fixed _________. 20. The two types of observations are __________ and ___________. 21. 2.0 has ___ significant digits. 22. Most measurements are wrong because of _______________. 23. What is the difference in accuracy and precision? 24. Density equals ___________ divided by ___________. 25. The first periodic table was composed by ________________ and _______________. 26. Chemical symbols are used in __________ formulas. 27. What is a diatomic molecule? 28. ________________ removes water from a hydrate. 29. The Law of Conservation of Mass is satisfied by ____________ equations. 30. The ___________ after a symbol means there’s that many atoms. 31. What are used to find chemical formulas? 32. What is a chemical reaction? 33. A _________ before a symbol or molecule in an equation means there’s that many of that substance. 34. Is 2H2+ O 2 2H O 2alanced? 35. What charge does Mg have? What charge does F have? 36. A binary formula is composed of ___ elements. 37. What is the name of NaCl? 38. What is the difference between an ionic compound and a molecule? 39. What group is CH O3 in? (Bonus points if you know the name.) 40. What is the name of S P2 5
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