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5 Written questions

5 Matching questions

  1. Isotopes
  2. cation
  3. Atoms
  4. regions around the nucleus in which a given electron is likely to be found most of the time
  5. Polysaccharides
  1. a Each element is composed of more or less identical (particles or building blocks)
  2. b are polymers of simple sugars linked together by dehydration synthesis. (storage products)
  3. c Orbitals
  4. d a positively charged ion
  5. e Nearly all known elements have two or more structural variations, which differ in the number of neutrons they contain.

5 Multiple choice questions

  1. is the total mass of protons, neutrons, and electrons in a atomic nucleus. The weight of all atoms of the same type.
  2. is the smallest unit resulting from the chemical bonding of two or more atoms.
  3. exists in solid, liquid, and gaseous states. Examples of each state are found in the human body.
  4. unique substances that cannot be broken down into simpler substances by ordinary chemical methods.
  5. Types of energy

5 True/False questions

  1. Steroids(glucose + fructose) a complex carbohydrate found in many plants and used as a sweetening agent


  2. the key to chemical reactivity is ...Octet rule (or rule of eight)


  3. Indicates an atom's outermost energy level (or that portion of it) containing the electrons that are chemically reactive.valence shell


  4. Radioisotopesorganic compound containing carbon, hydrogen, and oxygen. A group of molecules that includes sugars and starches.


  5. Mattera positively charged ion