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Periodic table - Coggle Diagram
Periodic table
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- Located on the left and center
- Good conductors of electricity and heat
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- Located between metals and nonmetals
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- Indicate the number of electron shells
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- Elements with similar chemical properties
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- Number of protons in the nucleus
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- Weighted average of the masses of isotopes
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- Total of 118 known elements
- Represented by chemical symbols