There are only 102 known elements as we know of today in the universe. Everything else in the universe is a combination of these elements. For example iron is an element and so is gold. Hydrogen and Oxygen are also basic elements.
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5th Grade Resources by Kavitha Komatineni(2008-2009) |
"A Great Resource for 5th Grade Math, Science, Reading"
Are you a Teacher (or otherwise) interested in collaborating to develop content for 4th graders?? Click here to see details
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