module4REVIEW

In this module, we saw that all environmental systems consist of matter. Matter has specific properties that can be described and measured. Properties of water include surface tension, capillary action, a high boiling point, and the ability to dissolve many different substances. These properties make water a critical part of most environmental systems. Matter is conserved in chemical reactions and the components of biological reactions. In the next module we will expand our view to look at how the movement of matter in environmental systems is strongly influenced by energy inputs, flows, and outputs.

Module 4 AP® Review Questions

Question 1

1. If two atoms of an element are isotopes, then they have a different

  1. atomic symbol.

  2. number of protons.

  3. number of neutrons.

  4. number of electrons.

  5. atomic number.

Question 2

2. The chemical bond that forms from the attraction of sodium ions and chlorine atoms in table salt (NaCl) is called

  1. a covalent bond.

  2. a polar bond.

  3. a hydrogen bond.

  4. an ionic bond.

  5. a nucleic bond.

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Question 3

3. Which of the following is NOT a property of water that allows it to support life?

  1. Surface tension

  2. Capillary action

  3. Solvent ability

  4. High boiling point

  5. High viscosity

Question 4

4. Which of the following has the highest pH?

  1. Pure water

  2. Bleach

  3. Cola beverage

  4. Seawater

  5. Acid rain

Question 5

5. Which of the following is an organic compound?

  1. CH4

  2. NH3

  3. NaCl

  4. H2O

  5. CO2

Question 6

6. Which of the following is NOT a macromolecule?

  1. Carbohydrates

  2. Nucleic acids

  3. Organelles

  4. Proteins

  5. Lipids