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Cosmic Rays

Try this!

Cosmic rays consist of all the natural elements. See if you can distinguish the properties of some of these elements.

Sample information from the periodic table for the element "Helium":

Solid: cube

Liquid: water drop

Gas: balloon

Helium, atomic number=2, atomic mass=4.002

Use the information for the elements given below to answer the questions.

Platinum, atomic number=78, atomic mass=195.08 Mercury, atomic number=80, atomic mass=200.59 Lead, atomic number=82, atomic mass=207.2


This activity was developed by Cheryl Carter, Bladensburg High School, Bladensburg, MD

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