Elements and Compounds Crossword Puzzle

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QUESTIONS LIST:

krypton : a noble gas used in some types of lighting and found in the atmosphere
lead : a heavy metal often used in batteries and historically in pipes and paints
yttrium : a rare earth element used in leds and phosphors
lithium : a light metal commonly used in rechargeable batteries
argon : a colorless, orderless noble gas used in welding and lighting
titanium : a strong, lightweight metal used in aerospace and medical applications
oxygen : makes up about 21% of the earth's atmosphere
iron oxide : commonly known as rust
ozone : a molecule made of three oxygen atoms
lead nitrate : a compound used in explosives and as reagent in laboratories
krypton fluoride : a compound used in some types of lasers
aluminum oxide : a compound used in abrasives and ceramics
potassium chloride : a salt used in food processing and as a potassium supplement
ammonium nitrate : a compound commonly used in fertilizers and explosives