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Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud In general, atomic radius decreases across a period and increases
Describe and explain the observed trends in atomic size, ionization energy, The trends for the entire periodic table can be seen in Figure 6 31
These periodic trends can clearly be seen in atomic radii, ionic radii, ionization energies and electronegativities These specific trends will be investigated
In this periodic table, the relative sizes (not absolute - there are no measurements) are shown The sizes of the noble gas atoms (gray) can't really be
Check the Periodic Table to find out how many electrons each element actually has The atomic radius is a measure of the size of an atom The larger the
These radii are generally not the same (part (d) in Figure 7 5 "Definitions of the Atomic Radius") Periodic Trends in Atomic Radii Because it is impossible
To find atomic radius, atoms are assumed to be spheres The electron cloud size determines the atomic radius for an atom The radius values are only estimates
tions about atomic size, electronegativity, ionization energies, bonding, solubility, and reactivity In this activity you will look at a few periodic