Chemistry NC Final Preparation. Agenda for the Week Part Review and a Bit more New Review: Gas Laws and Phases of Matter Revie w New: Reaction Rates and.

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Presentation transcript:

Chemistry NC Final Preparation

Agenda for the Week Part Review and a Bit more New Review: Gas Laws and Phases of Matter Revie w New: Reaction Rates and Equilibrium Review: Atomic and Periodic Ideas Released Question Session Review Game Day 1 Review: Stoichiometry Review New: Definitions of Acids and Bases and Titrations Day 2 Day 5 Day 3 Day 4 Review: Bonding New: Titration Lab Experiment

% of Test by Goal & Objective

Atoms, Isotopes & Ions Subatomic Particles Electron configurations Bohr Model for Radiation See Reference Tables Radioactive Decay & Half-Life Objective 1 Goal 1 Balancing Nuclear Equations & Half-Life Problems How to calculate the number of protons, neutrons and electrons from the atomic and mass numbers!

Types of Bonds Strengths Properties Test for conductivity Inter vs. Intra molecular forces Nomenclature Objective 2 Goal 1 Flow chart for Intermolecular forces of attraction focus on: 1.dipole-dipole 2.London Dispersion forces 3.Hydrogen Bonding Be sure to know your naming flowchart! Polyatomic Ions are provided in the Reference Packet!

Periodic Properties Periodic Table Locations Metals, non-metals, periods, groups Atomic Radius Electronegativity Ionization Energy Objective 3 Goal 1 Be sure to notice the staircase To separate Metals and Non- metals! Remember that Fr (Francium) only wins AR (atomic radius)

Pressure, Volume & Temperature Phase Change calculations Temperature Change calculations Gas Laws Phase Diagrams Objective 1 Goal 2 Organize your gas law problems by using the P V T n box! Draw the heating curve on Paper as soon as you get your test. Be sure to label phase And temperature changes.

Reactions & Stoichiometry Types of reactions Balance equations Energy of a reaction Evidence of chemical change Empirical vs. Molecular Formula % composition Hydrate calculations Objective 2 Goal 2 Use paper to draw your Mole Roadmap as soon as you start the test! The types of reactions will be provided for you in the Reference Packet!

Reaction Rate & Equilibrium Factors affecting rate Equilibrium Le Chatelier’s Principle Objective 1 Goal 3 Know how different stresses will shift equilibrium Know how to write Keq

Solutions Acid vs. Base Molarity Titration Dilution Solubility Diagrams Solubility Rules Objective 2 Goal 3 There is a lot of vocabulary for this topic! The Solubility Rules are provided for you in the Reference Packet.

Sample Questions Constructed Response

Why do the first ionization energies of the elements increase going across the periodic table? A Inner electrons at lower energy levels block the protons’ force of attraction toward the nucleus. B The atomic radius decreases, and outer electrons are closer and strongly attracted to the nucleus. C Electrons are further from the nucleus, and it is harder to remove the outermost electron. D The atomic radius increases, and outer electrons are closer and strongly attracted to the nucleus.

Sample Questions Links for Multiple Choice andReference Tables

mon-exams/released- forms/highschool/science/chemistry/common- exam.pdf mon-exams/released- forms/highschool/science/chemistry/formula- sheet.pdf

NC Final Exams in High School Science contains a total of 45 MC items. The total time allocated to the test is 120 minutes unless students have documented accommodations.