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Ch.2 - Atoms & ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
The Atom
Subatomic Particles
Isotopes
Ions
Atomic Mass
Periodic Table: Classifications
Periodic Table: Group Names
Periodic Table: Representative Elements & Transition Metals
Periodic Table: Element Symbols
Periodic Table: Elemental Forms
Periodic Table: Phases
Periodic Table: Charges
Calculating Molar Mass
Mole Concept
Law of Conservation of Mass
Law of Definite Proportions
Atomic Theory
Law of Multiple Proportions
Millikan Oil Drop Experiment
Rutherford Gold Foil Experiment
Additional Guides
Periodic table Charges (IGNORE)
Calculating Molar Mass (IGNORE)
Calculating Grams to Moles (IGNORE)

The Periodic Table contains 3 Major Classifications when describing its elements

The Periodic Table: 3 Major Classifications

Concept #1: The Periodic Table of elements can be classified as either metals, metalloids, and non-metals.

Concept #2: Metals represent the largest classification for elements on the Periodic Table

Metals make up the majority of the elements on the periodic table. Using their physical properties we can describe metals as being shiny, conductive, opaque and malleable.

Example #1: Which of the following elements has physical properties most similar to barium, Ba?

Concept #3: Non-Metals represent the second largest classification for elements on the Periodic Table

Non-metals make up the 2nd largest classification and posses physical properties that are opposite of metals. 

Concept #4: Metalloids represent the smallest classification for elements on the Periodic Table

Metalloids posses characteristics of both metals and non-metals.