This tells you the number of protons in an element. , atomic number, atomic mass, valence electrons, row/period, group, element key, This is the total of protons and neutrons combined. , atomic number, atomic mass, row/period, group, 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/, element key, Tells you the vertical columns of the periodic table, atomic number, atomic mass, valence electrons, row/period, group, element key, This tells you all about an element - including its symbol and name. , atomic number, atomic mass, valence electrons, row/period, group, 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, element key, This means it has properties of both metals and nonmetals. , conductivity, malleability, ductile, metalloids, Element in period 4 group15, arsenic, Gallium, Vanadium, Zink, Lead, Alkaline earth metal, Rubidium, Lithium, Scandium, Fluorine, Sulfur, Barium, Group 5 period 6, Hf, Mo, Ta, Fe, Ir, Bi, Has 15 protons, P, Pa, Y, O, N, S, Has an atomic mas of 58.933, Co, Hf, Ba, Pd, Ni, Ce.

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