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5 Written Questions

5 Matching Questions

  1. Lithium
  2. Helium
  3. Nitrogen
  4. Energy Levels
  5. Atoms
  1. a He
  2. b N
  3. c Where electrons "live", seven in total. Divided into orbitals
  4. d consist of three subatomic particles, protons, neutrons, and electrons - has no charge as a whole
  5. e L

5 Multiple Choice Questions

  1. Ar
  2. Energy levels, starts with K shell. Goes K, L, M, etc. K can hold 2, L-8, M-18.
  3. Be
  4. B
  5. Cl

5 True/False Questions

  1. MagnesiumCa


  2. Atomic TheoryCreated by Dalton- states that all matter is composed of tiny particles called atoms. a) each element is made of atoms b) all atoms of a given element are identical c) atoms of diff. elements have diff properties (mass, chem. reactivity) d) atoms are not changed by chem. reactions but rearranged into diff. compounds e) compounds are formed when atoms of more than one element combine f) A compound is defined by the number, type (element), and proportion of the constituent atoms


  3. Metalsdull, brittle, low density, melt at a low temperature, don't conduct heat/electricity well


  4. ScandiumSc


  5. Niels BohrSi


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