Unit 1 Study Guide
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This 7 page Study Guide was uploaded by Kara Nichols on Friday June 3, 2016. The Study Guide belongs to CHM 111 at Calhoun Community College taught by Mona Chaudhary in Spring 2016. Since its upload, it has received 30 views.
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Date Created: 06/03/16
College Chemistry 1 – Mona Chaudhary Unit 1 Study Guide Concepts to Review Measurements and Units Define Cont: English & Metric o Neutron o Electron oz, lb, ton Gram, Kg, mg Atomic Number in, ft, yd, mile cm, meter, Km Mass Number Isotopes pint, quart, gallon Liter, mL Atomic Weight/Mass Significant Figures Ion Non zero digits o Cation Zeros at the beginning of a number o Anion Zeros between non zeros Concepts: Zero at the end of a decimal number Shorthand vs longhand electron Zero at the end of a non-decimal number configuration notation A decimal at the end of the number Bohr and Quantum Mechanical electron configurations Rounding Orbital Energy Diagrams Periodic Table < 5, leave it > 5, round up o Groups = 5, round up Main groups Alkali Metals Dimensional analysis Alkaline Earth Metals Know how to use conversion units Halogens Density Noble Gases Transition Metals D = M/V Inner Transition Elements Lanthanide Series Temperature Actinide Series Fahrenheit - °F o Periods o (1.8C)+32 o Trends Celsius - °C Atomic Radius o (F-32)/1.8 Electronegativity Kelvin - K Ionization o C+273 Reactivity People to Know: Metals and Non- Metals Bohr Lewis Dot Structures Aufbau o NASB Method Hund Intermolecular Forces of Attraction Define: o London / Dispersion o Dipole – Dipole Matter Atom o Hydrogen Bonding Naming Compounds given formulas o Proton Writing Formulas given compounds Sample Questions: Write the name and symbol for the neutral element bellow: 1. Atomic mass = 196.967 amu 2. Electronic Configuration is: 1s , 2s , 2p , 3s , 3p , 4s , 3d , 4p 2 6 3. Electronic Configuration is: [Kr] 5s , 4d 4. Has 37 protons: 5. Neutral atom has 17 electrons: 6. Mass number is 207 and there are 125 neutrons 7. Forms an anion that has a 2- charge and 50 electrons: 8. Complete the table: Atom/Ion Atomic Mass Number Protons Neutrons Electrons Number Hg 30 31 56 9. Write the longhand electronic configuration for P 3- 10. Write the longhand electronic configuration for Br 11. Draw, label, and fill the orbital energy diagram for Ga: 12. Arrange the elements from smallest to largest according to atomic radius (Ni, Ar, La, Li) 13. Arrange the elements from largest to smallest according to the amount of electronegativity (Ge, Sb, He, Mo) 14. Draw a Lewis Dot Structure and show the NASB method (show your work) CH OH 3 15. Round the number 3785.642 to 3 significant numbers 16. Put 2319 into scientific notation 17. Group _____ contains Alkaline Earth Metals a. 1A b. 2A c. 6A d. 7A 18. He, Ne, Ar, Kr, Xe, and Rn are the _____________ __________. a. Alkali Metals b. Alkaline Earth Metals c. Halogens d. Noble Gases 19. Chlorine has _____ valence electrons. a. 3 b. 7 c. 8 d. 5 20. There are _____ significant figures in : 308.640 a. 5 b. 4 c. 6 d. 7 21. Arrange the following elements from lowest to highest in ionization energy: S, Ta, Sc, Fr 22. Calculate the number of inches in 3.7 Kilometers. (39.37 inches / meter) Show work 23. Write the names for the following: a. P4 7 b. CaBr 2 c. Ba(NO2) 2 d. Fe2O 3 e. Sn3(PO 4 4 24. Write the formula for the following: a. dicarbon hexachloride b. bismuth (V) phosphate c. aluminum chlorite d. lithium fluoride e. iron (II) perchlorate
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