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Alkali metal

AP Chemistry Zumdahl 7E Chapter 2 Notes

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Chemistry
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Chemistry
Charge carriers
atoms
Chemical properties
Chemical bond
Proton
Alkali metal
electron
Polyatomic ion
molecule
Oxidation state

AP Chemistry A. Allan Chapter 2 Notes - Atoms, Molecules and Ions 2.1 The Early History Refer to the Chemistry History Timeline for this chapter 2.2 Fundamental Chemical Laws A. Law of Conservation of Mass 1. "Mass is neither created nor destroyed" 2. Translation: In ordinary chemical reactions, the total mass of the reactants is equal to the total mass of the products B. Law of Definite Proportion 1. "A given compound always contains the same proportions of elements by mass" 2. Translation: Compounds have an unchanging chemical formula C. Law of Multiple Proportions 1. "When two elements form a series of compounds, the ratios of the masses of the second element that combine with one gram of the first element can always be reduced to small whole numbers

Periodic Table - Notes

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Chemical properties
Stoichiometry
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Nuclear physics
Chemical element
Relative atomic mass
Alkali metal
Atomic mass
Atomic number
Isotope
Extended periodic table

Notes ? Periodic Table Do you know all your elements? http://www.privatehand.com/flash/elements.html Squares on the Periodic Table Each square contains Element Symbol Element Name Atomic Number = Protons Average Atomic Mass = Molar Mass Some contain the physical state at Room Temperature What is the atomic mass? The mass of one atom is VERY small therefore we use a relative scale called the AMU. One AMU is exactly 1/12 the mass of a carbon-12 atom. Protons + Neutrons = AMU = Atomic Mass Unit What is the average atomic mass? In a sample of many atoms, various isotopes exist. The abundance of each isotope impacts the average mass of the sample. To find the average atomic mass, multiply the mass times the abundance of each isotope and add these together.

Bob Jones PPT Notes -- Chapter 5c

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matter
Metalloid
Metal
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Alkaline earth metal
Noble gas
Nonmetal
Hydrogen
Boron group
Alkali metal

Elemental & Families Properties Their 1 Hydrogen: A Family of Its Own Why is it by itself? Can lose or gain one electron Discovered by Cavendish Physical properties (PP) Chemical properties (CP) Uses Hydrogen: A Family of Its Own Physical properties (PP) colorless, odorless, tasteless gas Chemical properties (CP) active, like a Group 1A metal or a Group 7A nonmetal diatomic can react with metals to form metallic hydrides Hydrogen: A Family of Its Own Uses ammonia fuel cells ?rocket? fuel Hydrogen: A Family of Its Own Supposed to have initially formed H & He Big Bang 6 Group 1: The Alkali Metal Family Physical properties light, soft, shiny, conduct electricity well 7 Chemical properties most reactive metals eager to lose lone outer e? never occur naturally
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