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Atmospheric Chemistry

Quiz: The chemistry of snow and ice

Think you’re the expert on water’s unique properties? Test your wits.

by Andy Brunning, special to C&EN
March 7, 2021
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Most Popular in Environment

 

Before you take our quiz on snow and ice, make sure you check out our Periodic Graphic for some helpful hints.

To how many other water molecules can a single water molecule in a snowflake form hydrogen bonds?
As of 2013, how many categories of snowflakes had researchers identified?
At what temperature is water’s density highest?
What is the smallest number of water molecules that can form an ice crystal, according to a recent study?
Photochemical reactions on ice crystals in polar stratospheric clouds produce chlorine radicals that deplete ozone. Approximately how many ozone molecules can each chlorine radical destroy?
Ice cores drilled in Antarctica and Greenland yield information on Earth’s past atmosphere and climate. Ratios of isotopes of which element in ice cores are used to estimate past temperatures?
How old is the oldest ice core drilled to date?

You Scored 33% - 1 out of 3

 

Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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