Crossword

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Across
  1. 1. vital mineral essential for building strong bones (99% is stored in teeth/bones) and supporting muscle function, nerve transmission, and vascular contraction
  2. 3. reactive, soft, silvery-gold alkali metal
  3. 6. lightest and most abundant element, comprising 75% of the universe's matter
  4. 7. highly radioactive, naturally occurring silver-white metal found in minute quantities in soil, water, and rocks, primarily produced as a byproduct of uranium decay
  5. 8. essential nutrient for nerve/muscle function and fluid balance
  6. 10. a bright yellow, nonmetallic element (atomic number 16) crucial for life, often found in volcanic regions
Down
  1. 2. is the standard, long-term treatment for reducing the frequency and severity of manic episodes in bipolar disorder.
  2. 4. vital, colorless, odorless, and tasteless gas constituting ~21% of Earth's atmosphere
  3. 5. a colorless, odorless, nonmetal diatomic gas
  4. 9. a fundamental, nonmetallic element that acts as the essential building block of life on Earth, forming complex chains and rings for DNA, proteins, and sugars