TRIVIA QUIZ
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A towering testament to scientists’ powers of prediction, the periodic table helps us make sense of the chemical elements. You’ve probably seen it scores of times before, but how well do you really know this iconic table? Try testing your knowledge here.
Highly unreactive, the noble gases make up group 18 in the periodic table. Can you spot which two elements are out of place?
c) Argon and krypton
b) Neon and argon
a) Helium and neon
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CREDIT: Yang Ku/C&EN/Shutterstock
d) Radon and xenon
d) Oganesson
c) Lawrencium
b) Francium
a) Hydrogen
The elements in the periodic table are arranged by size, among other characteristics. What is the largest element?
CREDIT: Wikimedia Commons
d) 103
c) 83
b) 63
a) 43
Today, 118 known chemical elements appear in the periodic table. But when Dmitri Mendeleev first published his “periodic system,” how many elements were known?
CREDIT: Nobel Foundation
d) Hassium
c) Einsteinium
b) Dubnium
a) Seaborgium
Which element is named after a former American Chemical Society president?
d) Samarium and rubidium
c) Curium and dubnium
b) Curium and meitnerium
a) Curium and radium
Which two elements are named for women scientists?
d) Oxygen
c) Neon
b) Helium
What element was discovered on the sun before it was found on Earth?
CREDIT: Shutterstock
d) Bromine
c) Radium
b) Selenium
a) Thallium
What element is known as the poisoner's element of choice for its colorless, odorless and tasteless properties?
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