chemistry and the environment four corners
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Chemistry and the environment four corners. Hydrocarbons are substances harmful to the environment caused by:. 1-Radiation. 2-Burning fossil fuels. 3-Heavy metals. 4-Spraying pesticides. Synthetic detergents cause environmental damage because they often contain:. - PowerPoint PPT PresentationTRANSCRIPT
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CHEMISTRY AND THE ENVIRONMENT FOUR CORNERS
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HYDROCARBONS ARE SUBSTANCES HARMFUL TO THE ENVIRONMENT
CAUSED BY:
1-Radiation.
2-Burning fossil fuels.
3-Heavy metals.
4-Spraying pesticides.
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SYNTHETIC DETERGENTS CAUSE ENVIRONMENTAL DAMAGE BECAUSE THEY
OFTEN CONTAIN:
1-Acidifiers.
2-Pesticides.
3-Phosphates.
4-Soap.
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A COMMON MATERIAL CAUSED BY RADIOACTIVITY, POSING ENVIRONMENTAL
PROBLEMS, IS:
1-Water.
2-Non-metal oxide.
3-Glucose.
4-Radon.
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THE COMBINATION OF CHEMICAL SYMBOLS AND NUMBERS THAT DEPICT A
COMPOUND IS A/AN:
1-Chemical formula.
2-Chemical reaction.
3-Chemical statement.
4-Chemical replacement.
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WHY IS AG THE SYMBOL FOR SILVER?
1-Ag means Agrisilver
2-The old Spanish name was augmentin
3-Silver is used in agriculture
4-The old Latin name for silver
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A HEAVY METAL IS AN ELEMENT:
1- with a high atomic weight or mass
2- with a low atomic weight or mass
3- with low toxicity
4- like flourine, bromine, and astatine
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HOW MAN Y ELEMEN TS ARE CON SIDERED N OBLE GASES?
1- five
2- ten
3- eight
4- six
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ALL ELEMENTS CAN BE CLASSIFIED INTO TWO MAIN
GROUPS:
1- ductile metals and free moving gases
2- metalloids and nonmetalloids
3- metals and nonmetals
4- periods and families
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T H E S M A L L E S T A M O U N T A S U B S T A N C E C A N E X I S T A T A N D K E E P I T S P R O P E R T I E S I S B E S T
D E S C R I B E D A S / A N :
1-Atom.
2-Compound.
3-Element.
4-Molecule.
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THE CHEMICAL FORMULA FOR TABLE SALT IS :
1-CaOH.
2-NaCl.
3-NaOH.
4-Salt.