This tells you the number of protons in an element. , atomic number, atomic mass, valence electrons, row/period, group/column, element key, This is the total of protons and neutrons combined. , atomic number, atomic mass, row/period, group/column, valence electrons, element key, This tells you how many electron energy levels an element has. There are 7 of these. , atomic number, atomic mass, valence electrons, row/period, group/column, element key, These are the outermost electrons. In the farthest level from the nucleus. , atomic number, atomic mass, valence electrons, row/period, group/column, element key, This tells you all about an element - including its symbol and name. , atomic number, atomic mass, valence electrons, row/period, group/column, element key, Elements that are in the same one of these, share properties.  There are 18 of these. , atomic number, atomic mass, valence electrons, row/period, group/column, element key, This means to allow electricity or heat to come through. , conductivity, malleability, ductile, metalloids, This means the substance can be hammered into thin sheets. , conductivity, malleability, ductile, metalloids, This means the substance can be pulled into thin wires. , conductivity, malleability, ductile, metalloids, This means it has properties of both metals and nonmetals. , conductivity, malleability, ductile, metalloids.

Periodic Table

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