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8 Cards in this Set
- Front
- Back
A set of patterns in the properties of elements
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Periodic Table
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The average of all the isotopes of the elements
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Protons and Neutrons
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Patterns appeared when Mandeleev arranged the elements because of?
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weight or mass
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True or False?
Mandeleev also grouped elements that had similar properties |
True
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How many blank spaces did Mendeleeve's periodic table have in it?
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Three
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What does periodic mean?
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regularly repeating patterns
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A chart of elements showing the repeating patterns of their properies is called
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periodic table
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The modern periodic table is now arranged according to ?
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atomic number
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