Element Crossword

What element does your thyroid gland require?
What is an enlarged thyroid gland called?
What element is in the middle of hemoglobin molecules?
What blood cells have iron and hemoglobin molecules in them?
What is the odorless, colorless, radioactive, deadly gas that leaks into your basement and causes lung cancer?
Other than sodium and chlorine, what other element is in iodized salt?
Iodine is used as a disinfectant to kill what?
What element smells like rotten eggs?
What element makes up the filament in light bulbs?
What element is used in nuclear power plants?
What element has the element symbol "Ni"?
What element has the element symbol "W"?
What is the main element in computer chips?
What is the main element in the atmosphere?
What element was in the nose-cone of the space shuttles?
What element is the Statue of Liberty made out of?
What element has the element symbol "Ag"?
What element has the element symbol "Na"?