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Periodic Table

Chemistry The central science

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Chemistry
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Chemistry
Periodic Table
Alkaline earth metal
Halogen
Nonmetal
Base
Nitric acid
Properties of water
Hydride
Hydrogen
Metal
Chemical element

Electron affinity: Cl(g) + e? Cl?(g) ?E = ?349 kJ/mol Ionization energy: Cl(g) Cl+(g ) + e? ?E = 1251 kJ/mol Substance to be an acid Disolve in water to form acidic solution or React with a base Metals Form cations in aq M M2+ + 2e? Low I1 Metals + non-metals salt (ionic compound) Metal oxides basic: Metal oxides + H20 metal hydroxide (OH-) (not all) Metal + O2 metal O2- (Ionic Solid) Acid + metal salt (aq) + H2 (g) Acid + metal OH- salt (aq/s) + H2O (l) Acid + metal O2- salt (aq/s) + H2O (l) Acid + metal HCO2-3 salt (aq/s) + CO2 (g) + H2O (l) Acid + metal HCO-2 salt (aq/s) + CO2 (g) + H2O (l) Acid + metal S2- salt (aq/s) + SO2 (g) + H2O (l) Acids + Metals Soluble Water Acid Product NiO (clear) No HNO3 (clear) Ni(NO3)2 (Green)

Chemistry The central science Chapter

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Chemistry
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Chemistry
matter
Chemical elements
Periodic Table
Actinide
Berkelium
Samarium
Americium
Curium
Einsteinium
Lanthanum
Actinium

Periodic Table Period 1 I A 18 VIII A 1 1s 1 ?1 atomic # ? 29 +2,1 ? ions commonly formed 2 0 H 2 II A atomic symbol ? Cu 13 III A 14 IV A 15 V A 16 VI A 17 VII A He hydrogen English element name ? copper helium 1.008 63.55 ? atomic mass (rounded) 4.003 2 2s 3 +1 4 +2 2p 5 +3 6 ?4 7 ?3 8 ?2 9 ?1 10 0 Li Be B C N O F Ne

Acids and Bases

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Chemistry
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Chemistry
Bases
Acid-base chemistry
Equilibrium chemistry
Acids
Chemical compounds
Acid–base reaction
Acid
Neutralization
Titration
PH
Chemical reaction
Periodic Table
Structure

Unit 7: Acid and Bases Acid Base Lemonade Dressing Vinegar Drain-0 Arm-n-Hammer Arrhenius Acids: When in a solution, they donate protons (H+) A proton in water becomes a ?hydronium? ion H3) SameEx) HCL (aq) H+(aq) + Cl-(aq) HCl(l) + H2) H30+(aq) + Cl- Acids cause indicators to change color (Table M) Ex) Bromthymol blue, litmus, phenolphthalein Sour Taste (ex. Citric acid) pH<7 (0-7) (pure acid 100%) Measure of H+ concentration p= power (pH. If [H+} = 1 X 10-7 All acids dissolve metal to produce H2 gas (corrosive) chemically dissolve A neutralization reaction occurs b/t an acid and a base to form a salt and water Arrhenius Base: When in a solution, they donate hydroxide ions (OH-) to the solution

Chemistry

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Chemistry
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Chemistry
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Chemical properties
Chemical bonding
Charge carriers
Quantum chemistry
Atomic number
Periodic Table
Electronegativity
Valence electron
electron
ion
Technology

Chemistry Study Guide Unit 1: Measurement and the Methods of Chemistry Counting significant figures: 1) leading zeros never count 2) Trailing zeros only count if there is a decimal point written 3) All numbers that aren?t leading or trailing zeros count Unit 2: Atomic Structure, Periodicity, and Nuclear Energy Proton: +1 (charge) Neutron: 0 (charge) Electron: -1 (charge) Atomic number= number of protons within an atom Atomic mass= total weight of the atom. P+N If there is a power to the left of the element, that implies the mass. Isotope: same atom with same atomic number, but different number of neutrons. Different weight. Neutrons and protons are INSIDE nucleus. Electrons on orbitals. Valence electrons= electrons on outermost shell. The electrons that do all reactions.

Chapter 2 Biology AP Notes

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Biology
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matter
Periodic Table
Chalcogens
Chemical elements
Nonmetals
Sulfur
Polymer
Oxygen
Environment
Technology

10/23/13 9:46 AM Chapter 2 Basic chemistry Important elements in Bio 6 elements hydrogen phosphate sulfur oxygen nitrogen carbon Polar vs. nonpolar What are the properties of water? H20 properties Chapter 3 Monomers to polymers Carbohydrates Chapter 2-3 Review 10/23/13 9:46 AM 10/23/13 9:46 AM
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Bio stuff

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Biology
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Chemistry
Periodic Table
Chemical bonding
Chemical properties
Atomic physics
ions
Valence electron
Ionization energy
ion
Electronegativity
Chemical element
Metalloid

Periodic Table Worksheet Name Per. 1. Periodic means . Examples of periodic properties: 2. What is a group (or family)? What is a period? 3. How can you determine the number of electrons in an element?s outer energy level by the group it?s in? 4. What is the octet rule? 5. Why do elements that make positive ions occur on the left side of the periodic table while those that make negative ions occur on the right? 6. What is the common name for group 18? Why do the elements of this group usually not form ions? 7. Complete the following table. Group Common Name Charge on Ions of this Group 1 2 13 / 3A -------- 16 / 6A -------- 17 / 7A 8. Predict the charges on ions of the following atoms.

AP Chemistry periodic notes

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Chemistry
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Chemistry
Physics
Periodic Table
Chemical bonding
Quantum chemistry
Atomic physics
Chemical properties
Valence electron
ion
Periodic trends
Alkaline earth metal
Chemical bond
Technology

Chapter 7 ? Periodic Properties of the Elements 7.1 Development of the Periodic Table ? Majority of elements discovered 1735-1843 ? Elements arranged to reflect trends in chemical and physical properties ? Periodic table arose from periodic patterns in electronic configurations o Valence orbitals o Trends in rows and columns ? Mendeleev and Meyer ? Modern periodic table 7.2 Effective Nuclear Charge Effective nuclear charge (Zeff) is the charge experienced by an electron on a many-electron atom. The effective nuclear charge is not the same as the charge on the nucleus because of the effect of the inner electrons. ? The electron is attracted to the nucleus, but repelled by electrons that shield or screen it from the full nuclear charge.

periodicity

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Chemistry
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Augusta County, Virginia
WKDW
Periodic Table

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Metal Nonmetal and Metalloid

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Chemistry
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Chemistry
matter
Periodic Table
Reducing agents
Alkali metals
Chemical elements
Metalloid
Metal
Nonmetal
Alkaline earth metal
Rubidium
ion
metal nonmetal metalloid chemistry

7.6 Metals, Nonmetals, and Metalloids The more an element exhibits the physical and chemical properties of metals, the greater its metallic character. Metals: Good conductor of heat and electricity. Malleable (can be pounded into thin sheets) and ductile (can be drawn into wires). Tend to have low ionization energies and therefore tend to form positive ions relatively easily. Are oxidized. Compounds of metals with nonmetals tend to be ionic substances (halides). Most metal oxides are basic. Metal oxide + water -> metal hydroxide Metal oxide + acid -> salt + water Nonmetals: Nonmetals vary greatly in appearances. Because of their electron affinities, nonmetals tend to gain electrons when they react with metals.

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