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15 Cards in this Set

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  • Back
Who arranged the elements in order of atomic mass?
Mendeleev
Who arranged the elements in order of atomic number?
Moseley
Periodic Law
the physical and chemical properties of the elements
Atomic radius
one-hald the distance between the nuclei if identical atoms that are bonded together
Atomic radius
Period Trend
decreases to left
Atomic radius
Group Trend
Increases down
IE Period trend
increases left
IE Group Trend
decreases down
Ionic Radii Period trend
Decreases left
Ionic Radii Group Trend
increases down
cation
positive ion
anion
negative ion
valence electrons
the electrons available to be lost gained or shared in the formaion of chemical compounds
Electronegativity Period Trend
increases left
Electronegativity Group Trend
decrease down