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Phiscal & Chemical


ATOMIC NUMBER the number of protons around the nucleus A proton is a positively charged elementary particle
ATOMIC WEIGHT the average weight of an atom of an element
ELECTRON AFFINITY the quantitative measure, usually given in electron-volts, of the tendency of an atom or molecule to capture an electron and to form a negative ion.
ELECTRONEGATIVITY containing negative electricity; tending to migrate to the positive pole in electrolysis.
electrolysis the passage of an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes.
ATOMIC RADIUS the radius of an atom
METALLIC CHARACTER Metallic character is the name given to the set of chemical properties associated with elements that are metals. These chemicals properties result from how readily metals lose their electrons.
types of chemical bonds formed Ionic Bonds- the electrostatic bond between two ions, covalent chemical bond-the bond formed by the sharing of a pair of electrons by two atoms , Metallic bonds- the type of chemical bond between atoms in a metallic element
valence electrons an electron of an atom, located in the outermost shell of the atom, that can be transferred to or shared with another atom.
IONIZATION ENERGY the amount of energy required to remove an electron from an atom to form a cation
MELTING POINT the temperature at which a solid substance melts or fuses.
Created by: lilstrabs