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matter

Bob Jones PPT Notes -- Chapter 6c

Subject: 
Chemistry
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Chemistry
Chemical bonding
matter
Chemical bond
Covalent bond
Network covalent bonding
Properties of water
Ionic bond
Solid
water
Glass
molecule

Properties of Compounds 1 Covalent distinct molecules held together by intermolecular forces relatively weak attractions, therefore low melting points not dense or hard poor heat and electricity conductors 2 Network Covalent exceptions continuous 3-D pattern?crystal Examples: diamonds, silicates 3 Network Covalent hard and brittle high melting points glassy luster 4 Ionic strong bonds, therefore high melting and boiling points hard solids can be split water-soluble good e? conductor in H2O, not as a solid 5 Ionic substances have low melting points. Ionic substances have low boiling points. Ionic substances don?t dissolve in water. Ionic substances are brittle. Question Because ionic bonds are strong, 6 Metallic carry electrons have luster (shine) malleable ductile 7 8

Bob Jones PPT Notes -- Chapter 5c

Subject: 
Chemistry
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Chemistry
Periodic Table
matter
Metalloid
Metal
Chemical element
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

Bob Jones PPT Notes -- Chapter 2c

Subject: 
Chemistry
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Physics
Chemical engineering
Condensed matter physics
thermodynamics
State functions
State of matter
Gas
Kinetic theory
matter
energy
Plasma
Phase
Environment

Section 2C States of Matter Kinetic-Molecular Theory All particles are in motion. Add energy = increase motion. Motion tries to tear apart matter. Attractive forces hold matter together. Attractive ? electrical, between particles Disruptive ? caused by kinetic energy (motion) Balance between these forces determines state. Kinetic-Molecular Theory Two Forces Solid Low energy Touching Locked in place Only vibrate (The inter-molecular forces are higher in energy than the kinetic energy.) 4 p. 41 of Chem. textbook Liquid More kinetic energy Still touching Not locked in place Can roll around (The intermolecular forces are almost equal to the kinetic energy.) 5 p. 41 of Chem. textbook Atoms are touching. Attractions are greater than repulsions. Atoms roll around. Atoms are small.

Bob Jones PPT Notes -- Chapter 2a

Subject: 
Chemistry
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Chemistry
Physics
Science
Chemical substance
Chemical compound
molecule
Chemical formula
Chemical element
matter
Chemical bond
Homogeneous
Physical change
Technology

The Classification of Matter Matter Matter is described as ?anything that takes up space and has mass.? Matter Matter was created ex nihilo, which means ?from nothing.? Science Guess Scientific method Faith Observation Question How can we know where matter comes from? 4 Atom - Clipart.com Item #20307567 Organization of Matter Pure substances Mixtures Is a substancepure or a mixture? Determined by: Physical properties Chemical properties Physical Properties Physical properties can be measured without changing the material into another substance. They describe how a substance is by itself. The following terms are examples of physical properties: density density describes how the particles are packed into a material malleability malleability

Cycles Notes

Subject: 
Environmental Science
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Chemistry
matter
Chemical elements
Nonmetals
Biogeochemical cycle
Biogeography
Pnictogens
Phosphorus cycle
Carbon dioxide
Phosphorus
Fossil fuel
Nitrogen
Environment

Trini Soza Mr. Miguelez APES, 5 10 December 2013 Cycles Questions Water It basically is what keeps an organism alive. The Hydrologic Cycle keeps the water movement going on, above and bellow the surface. There would be more groundwater since the tree roots are not there to absorb the rainfall, as well with a decrease in water evaporation. Logging takes a hit at the Hydrologic Cycle since trees play a crucial role in it. Not only does the fact that we cut down trees affect the cycle, but also one of the biggest effects we have is contamination. The contamination of oceans, rivers, lakes are damaging the quality of the water in the cycle. Carbon Dioxide - Respiration from animals - Organisms - Dissolved CO2 from ocean - Combustion of fossil fuels - Erosion - Volcanic reactions

Chemistry The central science Chapter

Subject: 
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

APES MIDTERM 2007

Subject: 
Environmental Science
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Chemistry
matter
Environment
Millennium Development Goals
Environmental issues
Oxides
Energy economics
Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.

APES MIDTERM 2007

Subject: 
Environmental Science
Rating: 
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Tags: 
Chemistry
matter
Environment
Millennium Development Goals
Environmental issues
Oxides
Energy economics
Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
midterm
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.

Chemistry SL design IA

Subject: 
Chemistry
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Chemistry
Food and drink
matter
Iodine
Oxidizing agents
Halogens
Starch
Beaker
Thermometer
Technology
Chemistry SL design IA

What Effect does Temperature on the Rate of Reaction? Introduction Temperature is nothing more than the average kinetic energy of a mass of atoms. This being said, the less kinetic energy present, the fewer collisions between the conglomeration of atoms, and thus the slower a reaction will progress (chemguide.co.uk). This idea is powered by the collision theory, allowing us to accurately hypothe- size what will happen based on the temperature of a solution. As we approach absolute zero (0o K), the rate of reaction asymptotically approaches zero, never reaching it ,since we can never thoeretically reach absolute zero, but getting infintesimally closer by a mesurable degree.

Author reliablility handout

Subject: 
Environmental Science
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Chemistry
matter
Inorganic solvents
Greenhouse gases
Calcium carbonate
Carbonates
Limestone
Carbon dioxide
Calcium
Properties of water
Environment
author reliability

Name ____________________________________________ Period ____________ AP Env. Science Date __________________ Title: How does Global Warming Effect Plant Growth? Lab # _________________ Procedures: Each group will design and implement an experiment to test the factors associated with global warming and discover how these factors may affect the plant growth in our future. Brainstorm some factors (environmental changes) associated with global warming: __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ _________________________________________________________

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