The periodic table of elements is constantly changing. How well do you know the basics? Points available: 10 1: What element is named after the Latin name for Copenhagen, Denmark? A) Tantalum B) Hafnium C) Rhenium D) Hassium 2: What was the first element to be produced artificially? A) Technetium B) Terbium C) Californium D) Einsteinium 3: Which element has nearly ten million known compounds? A) Helium B) Oxygen C) Hydrogen D) Carbon 4: What is the heaviest of the naturally occurring noble gases? A) Neon B) Argon C) Radon D) Krypton 5: Which of these is the lightest element whose symbol is also a US state postal code? A) Molybdenum (MO) B) Aluminum (AL) C) Lathanum (LA) D) Neon (NE) 6: What is the lightest element with an atomic symbol not related to its English name? A) Sodium (Na) B) Iron (Fe) C) Tungsten (W) D) Gold (Au) 7: Which element is the most reactive (i.e., reacts with the most substances) of all the elements? A) Chromuim B) Mercury C) Fluorine D) Zinc 8: How are elements on the periodic table ordered from left to right? A) Atomic weight B) How common they are C) Order of discovery D) Alphabetically by their names in Greek 9: How are they ordered from top to bottom? A) When they were discovered B) Whether they are solids, liquids, or gases C) Similar characteristics D) The top-to-bottom order is irrelevan 10: What comic songwriter wrote a song listing all the elements? A) Weird Al Yankovic B) Stan Freberg C) Spike Jones D) Tom Lehrer
