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cheney61010

QuestionAnswer
What are the building blocks of all matter and are a pure substance of only one kind of atom? element
Everything is made of- atoms
About how many atoms are there? 120
Charcoal is a solid
calcium is a nonmetal
phosphorus means bringer of light
sulfur is yellow and brittle
nitrogen is a gas
hydrogen is the lightest gas
nitrogen is found in the atmosphere
This element has been known since ancient times sulfur
calcium is used for wall plaster
The symbol for helium He
the symbol for silicon Si
the symbol for sodium Na
oxygen is used for this breathing
This gas is fatal if breathed in chlorine
sodium is used for this table salt
Created by: kemberlian on 2012-10-11



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