CROSSHARE
1A
Symbol for antimony, a metalloid, because it most commonly appears in nature as stibnite, a sulfide of antimony
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Across
  1. 1A
    Symbol for antimony, a metalloid, because it most commonly appears in nature as stibnite, a sulfide of antimony
  2. 3A
    The second-densest element, it’s a metal of the platinum group that lent its name to a New York jazz club and a global satellite communications network
Down
  1. 1D
    Like its upstairs neighbor carbon, it has four valence electrons; it’s the second most common element in the earth’s crust by mass
  2. 2D
    Volatile, smelly, and reactive halogen between chlorine and iodine necessary for collagen production and whose oxide was once commonly used as a flour improver
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