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periodic table

TermDefinition
non metal an element that does not conduct electricity and is typically a gas or brittle solid
electronegativity the ability of an toward to attract electrons toward itself in a chemical bond
electron configuration the arrangement or haitals that determines its chemical properties
atomic number the number of protons in an atom number that unicely intensifies wach element
halogens highly reactive normals in group 17 with seven ralence elecrons that easily form 1 ions and exist as diatomic molecules.
alkali metals highly reactive metals in group 1 with one valence electrons that reacts viorously with water
boron family qroup 13 elements with three valence electronss that included metals metalloids and nonmetals
nitrogen family group 15 elements with five valence electrons that included nonmetals and often form 2 ions
alkaline earth metals mereactive metals in group 2 with two valence electrons that are harder and dencer that alkali metals
carbon family group 14 elements with four valence electrons that included nonmetials metalloids and metals with carbon forming the basis of organic life
period a horizontal row of elements on the periodic table that have the same number of electron shells
transition metals elements in group3-12 with variable oxidation states that often form colred compounds and conduct electrons
lanthanides 15 rare earth metals in period 6 with filling forbitals that have similar chemical properties and are used in maghets and elements
metalloids an element with properties that fall between metals and nonmetals
ion an atom that has gained or lost electrons and carries an electrical charge
oxidation state the number of electrons lost or gained by an atom in a chemical reaction
oxygen family group 16 elements with six valence electrons that are mostly nonmetals and often form 2 ions.
Nobel gases extremely unreactive elements in group 18 with eight valence electrons and a full outer shell that are colorless odorless gases.
reactivity the tenecy of an element to undergo chemical reactions with other substances
valence electrons electrons in the outermost shell of an atom that determine now it reacts with other elements
metal an element that conducts electricity is shiy and can be bent or shaped with out breaking
group a vertical column of elements on the periodic table that share similar chemical properties
actindes 15 elements in period 7 with filling fordits that are often radioactive and include uronium and plutonium
diatomic a number composed of exactly two atoms of the same element bonds to gether
Created by: JYD
 

 



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