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Periodic Table

QuestionAnswer
atomic mass Number of protons plus the number of neutrons
conductivity Ability for heat or electricity to flow through it
neutron Part of an atom with a neutral charge
electron Part of an atom with a negative charge
malleable Able to be flattened out
ductile Able to be stretched without breaking; not brittle
valence shell Outermost shell of an atom
proton Part of an atom with a positive charge
luster Ability to reflect light
reactive Causes a chemical reaction and releases energy
family Also called group; columns on the periodic table (go up and down); Elements in a group have the same number of electrons in the outer level
period Rows on the periodic table (side to side); Each row represents the number of energy levels
Groups Go up and down(Remember- the word up is in groups); show the number of valence electrons; 18 total
Families Another name for groups
Periods Go side to side; shows the number of electron shells(or energy levels); 7 total
Elements that are most similar are in the same _____ Group
Anything on the Periodic Table is ____ An Element
Compound Combination of two or more elements that are chemically combined
Mixture Physically combined; Can be separated
Popular Physical Science sets

 

 



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