Term
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Definition
- carbon monoxide
- nitrogen dioxide
- ozone
- sulfur dioxide
- particulate matter
- lead |
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Term
| Whats in an inhaled breath? |
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Definition
- 78% nitrogen
- 21% oxygen
- .9% argon
- .04% carbon dioxide
- 0% water |
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Term
| Whats in an exhaled breath? |
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Definition
- 75% nitrogen
- 16% oxygen
- .9 % argon
- 4% carbon dioxide
- 4% water |
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Term
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Definition
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Term
| Carbon monoxide as an air pollutant |
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Definition
| the "silent killer", an odorless gas, byproduct of incomplete combustion |
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Term
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Definition
| special form of oxygen that has a sharp odor that comes from motors, transformers, and welding torches |
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Term
| Sulfur oxides and nitrogen oxides as a air pollutant |
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Definition
| respiratory irritans that contribute to acid rain, unpleasent odor |
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Term
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Definition
0-50 Good Green
51-100 Moderate Yellow
101-150 Unhealthy for Sens. Orange
151-200 Unhealthy Red
201-300 Very Unhealthy Purple
301-500 Hazardous Maroon |
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Term
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Definition
| intrinsic health hazard of a substance |
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Term
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Definition
| amount of substance encountered |
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Term
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Definition
| evaluating scientific data and making predictions in an organized manner about the probabilities of an occurence |
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Term
| How can you decide is something is at risk? |
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Definition
| Exposure, effect, alternatives, knowledge of consequence, occupational encountered, image of hazard, severity of consequence, controllable |
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Term
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Definition
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Term
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Definition
9.3 - 31 miles 15-50 km
contains the ozone layer |
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Term
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Definition
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Term
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Definition
| substances that cannot be broken down into simpler ones by any chemical means |
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Term
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Definition
| fixed composistion, but capable of being broken down into elements |
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Term
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Definition
| variable composistion of elements, compounds, or both |
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Term
Parts of a Periodic Table
Group, Period, Non-Metal, Metal |
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Definition
Group - column
Period - row
metal - left
non-metal - right |
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Term
Parts of a Periodic Table
Group, Period, Non-Metal, Metal |
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Definition
Group - column
Period - row
metal - left
non-metal - right |
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Term
|
Definition
| smallest unit that can exist |
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Term
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Definition
| a combination of a fixed number of atoms held together in a spatial arrangement |
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Term
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Definition
| represents the type and number of each element present |
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Term
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Definition
the rapid combination of oxygen with electricity
Ex. Coal + Oxygen = source of electricity |
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Term
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Definition
| produces both carbon dioxide and carbon monoxide |
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Term
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Definition
| in a chemical reaciton, matter and mass are conservced |
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Term
| An increase in altitude means a....in pressure |
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Definition
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Term
|
Definition
| first element then second element with ide ending |
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Term
| naming non metals and non metals |
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Definition
| name 1st element with prefix and second element with prefix and ide endings |
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Term
|
Definition
1-mono
2-di bi
3-tri
4-tetra
5-penta
6-hexa
7-hepta
8-octa
9-nona
10-deca |
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Term
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Definition
| compounds containing only hydrogen and carbon |
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Term
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Definition
| chemical substance that participates in and speeds up a chemical reaction without undergoing permanent change |
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Term
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Definition
| used to catalyze the conversion of CO to CO 2 |
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Term
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Definition
| vapors of incompletely burned gasoline molecules or fragments of these molecues |
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Term
| alternatives to gasoline combustion engines |
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Definition
| electric cars, fuel cells, hybrids |
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Term
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Definition
| designing chemical products and process that reduce or eliminate the use or generation of hazardous substances |
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Term
|
Definition
lightning or electric spark exposed to
oxygen
O3
energy + 3O.2 -> 2O.3 |
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Term
| how is ozone a secondary pollutant |
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Definition
| near the surface of the earth ozone forms smug and other pollutants |
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Term
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Definition
| candles, cleaners, fireplaces, smoke, hairspray, cooking |
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Term
| ratio of atoms and molecules |
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Definition
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Term
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Definition
| water purification, bleaching, air deodorant |
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Term
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Definition
two or more forms of the same element that have different molecular or crystal structure
Ex. O.3 O.2 diamond, graphite |
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Term
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Definition
| positive charged particles found in the nucleus |
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Term
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Definition
| neutral particles found in nucleus that just add mass |
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Term
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Definition
| negative charge, circulating nucleus |
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Term
| Between proton, neutron, and electron, which is the smallest? |
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Definition
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Term
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Definition
| the number of protons for an element |
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Term
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Definition
- elements arranged in order of increasing atomic #
- arranged so those with similar physical and chemical properties fall in the same column |
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Term
Valence Electrons
How can you tell how many valence electrons and atoms has from the periodic table? |
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Definition
# of outer electrons
group number (1A,2A) tells u |
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Term
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Definition
sum of the number of protons and the number of neutrons in an atom
(the number under atomic symbol) |
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Term
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Definition
| two or more forms of the same element whose atoms differ in number of neutrons (hence in mass) |
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Term
| find protons, neutrons, and electrons of a neutral atom |
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Definition
top number = protons = electrons
mass number = sum of protons and neutrons |
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Term
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Definition
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Term
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Definition
| a representation showing outer electrons using a dot structure |
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Term
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Definition
| the fact that electrons in many molecules are arranged so that every atom shares in eight electons |
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