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Chemistry and the environment four corners

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:.

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Chemistry and the environment four corners

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  1. Chemistry and the environment four corners

  2. Hydrocarbons are substances harmful to the environment caused by: 1-Radiation. 2-Burning fossil fuels. 3-Heavy metals. 4-Spraying pesticides.

  3. Synthetic detergents cause environmental damage because they often contain: 1-Acidifiers. 2-Pesticides. 3-Phosphates. 4-Soap.

  4. A common material caused by radioactivity, posing environmental problems, is: 1-Water. 2-Non-metal oxide. 3-Glucose. 4-Radon.

  5. 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.

  6. Why is ag the symbol for silver? 1-Ag means Agrisilver2-The old Spanish name was augmentin3-Silver is used in agriculture 4-The old Latin name for silver

  7. 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

  8. How many elements are considered noble gases? • 1- five • 2- ten • 3- eight • 4- six

  9. 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

  10. The smallest amount a substance can exist at and keep its properties is BEST described as/an: 1-Atom. 2-Compound. 3-Element. 4-Molecule.

  11. The chemical formula for table salt is: 1-CaOH. 2-NaCl. 3-NaOH. 4-Salt.

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