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5 Cards in this Set
- Front
- Back
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What are parts and charges of an atom?
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Newtron=neutral charge
Electron=negitive charge Protron=positive charge |
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What are the seven pieces of information you can in an element box?
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1.) the atomic #
2.) # of protons 3.) # of electrons 4.) the symbol 5.) the name 6.) the atomic mass 7.) average # of newrons |
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What is the definition of an element?
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Element= any substance that cannot be broken down into another substance
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How did Mendaleev organize his periodic table?
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1.) put elements in order of atomic mass (least to greatest)
2.) put elements with same properties together |
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How the current periodic table is organized?
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1.) put in order by atomic #
2.) all elements with the some properties are pu into the same colomn |
