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Periodic Table V.o.c

Periodic table vocab

Periodic law the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.
period a horizonal row of elements in the periodic table.
group a vertical column of elements in the periodic table; elements in a group share chemical properties.
ion an atom, radical, or molecule, that has gained or lost one or more electrons and has a negative or positive charge.
metal an element that is shiny and that conducts heat and electricity well.
nonmetal an element that conducts heat and electricity poorly.
semiconductor an element or compound that conducts electric current better than an insulator does but not as well as a conductor does.
metalloid semiconductors
family a group of elements that have similar characteristics.
alkali metal one of the elements of Group 1 of the periodic table.
alkaline earth metal one of the elements of Group 2 of periodic table.
transition metal one of the metals that can use the inner shell before using the outer shell to bond.
noble gas (inert gas) one of the elements of group 18 of the periodic table.
halogen one of the elements of group 17 of the periodic table.
Mendeleev Russian chemist who was one of the first scientists to design a way of organizing the elements.
rare earth metals A group of reactive, often toxic, metal elements, also called lanthanides; a collection of seventeen chemical elements in the periodic table.
lanthanide series the rare-earth elements with atomic numbers 57 through 71.
actinide series a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium.
chalcogen the chemical elements in group 16 of the periodic table; of the periodic table.
Created by: mmalone15