Transition Metals and Halogens Crossword Puzzle

QUESTIONS LIST:

• magnesium : was first recognized as an element in 1755 by joseph black.
• nickel : is the fifth most common element on earth.
• chlorine : it is the 2nd lightest halogen gas.
• cadmium : this element plays a key role in rechargeable batteries, specifically nickel-cadmium batteries.
• cobalt : which element was named after subterranean german goblins?
• chromium : is the 21st most abundant element in the earth's crust.
• zinc : this element becomes less brittle and more malleable above 100 degrees c.
• iodine : was discovered by bernard courtois in 1811 in france.
• iron : which element is the heaviest element to be created through the silicon burning of hot stars?
• bromine : which element was first used industrially to replace iodine vapor in the daguerreotype?
• fluorine : it is the 13th most abundant element in the earth's crust is fluorine.
• mercury : is the only metal that is a liquid at standard temperature and pressure.
• cooper : the statue of liberty is made from 179,000 pounds of _ .
• gold : is the only metal that is yellow.
• silver : is the best electric conductor of the elements.
• palladium : its symbol is pd.