5 Written Questions

1. A substance that is uniformly dispersed in a dissolving medium or solvant
2. The building blocks of proteins; exist in 20 naturally occuring forms
3. A ystem for rating acidity and alkalinity.
4. All tangible materials that occupy space and have mass
5. Measurement that reflects the number of protons and neutrons in an atoms of a particular element

5 Matching Questions

1. Elements
2. Decomposition Reactions
3. Protons
4. Glucose
5. Atomic Weight

1. a The average of the mass numbers of all the istopic forms for a particular element
2. b A substance comprising only one kind of atom that cannot be degraded into two or more substances without losing its chemical characteristics; has a characteristic atomic structure and predictable chemical behavior
3. c An important molecule in biological systems because it is the building block of many polysaccharides, including startch, cellulose, and glycogen. It is the most common & universally important monosaccharide.
4. d The bonds on a single reactant molecule are permanently broken to release two or more product molecules (example equation: AB--->A+B)
5. e An elementary particle that carries a positive charge.

5 Multiple Choice Questions

1. A chemical bond in which electrons are transferred and not shared between atoms; has a characteristic atomic structure and predictable chemical behavior.
   1. Neutrons
   2. Ionization
   3. Ionic Bond
   4. Covalent Bond
2. The property of repelling water.
   1. Protons
   2. pH
   3. Hydrophobic
   4. Lipid
3. Double layers of phopholipids
   1. Neutrons
   2. Membrane
   3. Compound
   4. Electrons
4. An electrically neutral particle in the nuclei of all atoms except hydrogen.
   1. Membrane
   2. Neutrons
   3. Protons
   4. Electrons
5. The smallest particle of an element to retain all the properties of that element; cannot be subdivided into smaller substances w/o losing the properties of an element
   1. Protons
   2. Atom
   3. pH
   4. Matter

5 True/False Questions

1. Dehydration Synthesis → The property of repelling water.

   True        False

2. Functional Group → A particular molecular combination that reacts in a predictable way and confers particular properties on a compound. (example -COOH, -OH, -CHO)

   True        False

3. Atomic number (AN) → The average of the mass numbers of all the istopic forms for a particular element

   True        False

4. Compound → Molecules that are a combination of two or more different elements (example H2O)

   True        False

5. Isotopes → Forms of an element that have different numbers of neutrons.

   True        False