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Moving left to right, what happens? Atomic radius decreases, ionization energy increases, electronegativity increases
Moving to to bottom, what happens? atomic radius increases, ionization energy decreases, and electronegativity decreases
the properties of the elements exhibit what? trends
trends can be predicted using the what? periodic table
trends can be understood by analyzing the what? electron configurations
Left to right across a table, electrons are ______ one at a time added
moving down a column in the periodic table, the outermost electrons become what? less tightly bound to the nucleus
________ - half of the distance between the centers of two atoms of that element that are just touching each other atomic radius
he atoms with the largest atomic radii are located where? in Group I and a t the bottom of groups
the _______ ____, or ionization potential, is the energy required to completely remove an electron from a gaseous atom or ion ionization energy
the closer and more tightly bound an electron is means what about the ionization energy? more difficult it will be to remove and the higher the ionization energy
what is the first ionization energy energy required to remove one electron from the parent atom
what is the second ionization energy? energy required to remove a second valence electron from the univalent ion to form the divalent ion, and so on
the _______ ionization energy is always greater than the ______ second; first
leads to decreased radius of atom cation formation
leads to increased radius of atom anion formation
the radius of an ____ is greater than the regular atom because the total positive charge remains same while the total negative charge increases anion
______ ________ reflects the ability of an atom to accept an electron electron affinity
atoms with ____ effective nuclear chage have greater electron affinity stronger
the _____ ______ ______ have low electron affinity values alkaline earth metals
the ______ have high electrons affinities because the addition of an electron to an atom results in a completely filled shell halogen
the _____ ______ have electron affinities near zero, since each atom possesses a stable octets and will not accept an electron readily noble gases
________ is a measure of the attraction of an atom for the electrons in a chemical bond. electronegativity
the _______ the electronegative of an atom, the greater its attraction for bonding electrons higher
when the elements are arranged in order of increasing atomic number, their properties show a periodic pattern periodic law
the periodic table is organized into ____ periods, and ____ major groups, or columns 7;18
elements in a group have similar properties; especially the elements in what groups alkali metals, alkaline earth metals, halogens, nobel gases
______ are lustrous, ductile, malleable, and are good conductors of heat and electricity. where are they found on the table? metals; left side
_______ have a diverse set of properties but do not resemble metals. where are they found? upper right side of the table
________ have some of the properties of metals and nonmentals semimetals
why do elements in a group have similar properties? they have the same number of valence electrons
the groups can be organized into what blocks based on how valence electrons fill each sublevel -s,-p,-d,-f
a ______ _______ us a property that changes predictably as you move across a period or down a group of periodic table periodic trend
Created by: jackjack109