ch says k

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Across
  1. 1. a group of singers
  2. 2. 3 or more musical tones played together
  3. 4. chromium plate as a decorative finish
  4. 5. the interactions of substances related to chemistry
Down
  1. 1. complete disorder and confusion
  2. 2. and expert in chemistry
  3. 3. the qualities that represent a person