1st Semester Review

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Volume; Density; Pressure

Accuracy & precision

Significant figures

Scientific notation

Dimensional analysis

1.2 Scientific Inquiry

natural laws

inquiry

theory

hypothesis

experiment

variable

experimental variable

control variables

error

average

conclusion

significant difference

objective

repeatable

procedure

scientific method

1.3 Matter and Energy

matter def o

energy def o

phases

1 st Semester Review

Chemistry I

Chapter 1: The Science of Chemistry

1.1 What Chemistry is About

Measurements & Units: Mass & weight;

Law of Conservation of Energy

Chapter 2: Matter and Atoms

2.1 Matter and the Elements

substance vs. mixture o element

physical properties & physical change

chemical properties & chemical change

Periodic Table

mole o Avogadro's number o calculations

2.2 Molecules and Compounds

defs

chemical formula

molecular compound

ionic compound

formula mass

2.3 Mixtures and Solutions

homogeneous vs. heterogeneous

solution o o o

solute

solvent

dissolved

concentration o concentrated vs. dilute o solubility o molarity o calculations

 percent by mass

 molarity

mixtures of gases o molar volume o STP

Chapter 5: The Structure of the Atom

5.1 The Atom Has a Structure

Historical development of atomic theory o Democritus, Dalton, Thomson,

Rutherford

atom interior o nucleus o electron cloud o properties of subatomic particles

atomic number, atomic mass o isotope o average atomic mass

ions

5.2 The Quantum Atom

quantum theory o quantum state o 5 statements

waves & particles o frequency o wavelength o photon o Planck's constant o relationship btwn frequency & wavelength, energy & frequency; wavelength & energy

electrons as waves o allowed wavelengths

orbitals

energy levels o Pauli exclusion principle

Periodic Table & energy levels

5.3 Electron Configurations

def

writing electron configurations

5.4 Light and Spectroscopy

spectrum

spectrometer

electromagnetic spectrum

interactions between light and matter o emission spectrum o absorption spectrum

Ch 20: Radioactivity

20.1 Nuclear Equations

atomic number (Z)

mass number (A)

neutron number (N)

chemical reactions vs. nuclear reactions

20.2 Nuclear Reactions

nuclear reactions-def

radioactivity-def

radiation

alpha decay o alpha radiation = alpha particle o parent nuclide o daughter nuclide

beta decay o beta radiation = beta particle

gamma decay

positron emission o positron

Chapter 6: Elements and the Periodic Table

6.1 The Periodic Table

periodic properties

Mendeleev

atomic level periodic properties o atomic radius o electronegativity o ionization energy

historical development

orbitals & atomic radius

6.2 Properties of Groups of Elements

alkali metals

alkaline earth metals

transition metals

C, N & O

halogens

noble gases

why compounds form: filled vs. partially filled energy levels

6.3 Valence

valence electrons

determining valence electrons

main group elements

Lewis dot diagram

Chapter 4: Physical and Chemical Change

4.1 Understanding Chemical Changes

 def

 irreversible

 interatomic forces vs intermolecular forces

 chemical bonds o covalent bond – molecule o ionic bonds

 enthalpy of formation

 reactivity

4.2 Chemical Reactions

 chemical reaction

 reactants & products

 balance equation

 coefficient

 endothermic vs. exothermic o activation energy

4.3 Chemical Reactions in the Lab

 symbols for states of matter

 precipitate

 salt

 oxidation vs. reduction

 acid-base reaction o pH scale

Chapter 7: Bonding

7.1 What is a Chemical Bond?

- polarization

Forming Bonds: overlapping orbitals, attractive force, equilibrium distance, two bond types

Bond Models & Diagrams

Predicting Bond Type: electronegativity difference

- electronegativity

- ionization energy

Covalent Bonds:

- covalent bond

- nonpolar covalent

polar covalent

Ionic & Metallic Bonds: ionic crystals

-ionic bond

-metallic bond

Polar Molecules: polarity & physical properties

7.2 Valence Electrons & Bonding Patterns

Bonding: unpaired valence electrons form bonds

The Octet Rule

-octet rule

Valence electrons & Ion Formation: ion patterns

Electron Configuration of Ions – same as noble gases

Simple Ionic Formulas – formulas must be neutral

Covalent Bonds

– number of covalent bonds possible = number of unpaired electrons

7.3 Molecular Geometry & Lewis Structures

drawing Lewis dot diagrams

- isomer

Double & Triple bonds

Molecular Geometry

- VSEPR

- region of electron density

Review Problems - #s 21, 22, 26, 29, 30, 31,

33, 34

Chapter 8: Compounds & Molecules

8.1 Ionic Compounds

Properties

charges cancel

Polyatomic ions

Writing Formulas: total positive charge must balance total negative charge

Formulas with Polyatomic ions: use parentheses

Names: o binary ionic compounds o compounds with polyatomic ions o compounds with transition metals

8.2 Covalent Compounds

Properties

- molecule

Small molecules

Medium-sized molecules

- lipid

- steroid

- hydrocarbon

Polymers

- polymer

- monomer

- homopolymer

- copolymer

Network covalent

Formulas

- empirical formula

- molecular formula

Naming: o binary covalent compounds, prefixes

8.3 Intermolecular Forces

- intermolecular forces

- van der Waals attractions

Dipole-dipole attractions

- dipole-dipole attractions

- hydrogen bonding

-surface tension (p. 247 & 264)

Water - special properties

London dispersion attraction: o factors that affect London dispersion attraction

- London dispersion attraction

8.4 Formula Masses

calculation of molar mass

Percent Composition: formula

Calculating Empirical Formulas

Calculating Molecular Formulas

Review Problems - #s 22, 24, 26, 27, 28, 30,

37, 38, 39, 42, 45, 46, 47, 48, 51

Ch 17: Organic Chemistry

17.1 Carbon Molecules

saturated

unsaturated

alkane o parent compound o R group

structural isomer

alkene

alkyne

17.2 Functional Groups

alcohol

ether

aldehyde

ketone

carboxylic acid

amine

ester

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