Across
- 1. vital mineral essential for building strong bones (99% is stored in teeth/bones) and supporting muscle function, nerve transmission, and vascular contraction
- 3. reactive, soft, silvery-gold alkali metal
- 6. lightest and most abundant element, comprising 75% of the universe's matter
- 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
- 8. essential nutrient for nerve/muscle function and fluid balance
- 10. a bright yellow, nonmetallic element (atomic number 16) crucial for life, often found in volcanic regions
Down
- 2. is the standard, long-term treatment for reducing the frequency and severity of manic episodes in bipolar disorder.
- 4. vital, colorless, odorless, and tasteless gas constituting ~21% of Earth's atmosphere
- 5. a colorless, odorless, nonmetal diatomic gas
- 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