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Nucleus,Central core of an atom contaning protons and usaully neutrons Periodic table,Chart of elements showing the repeating pattern of their properties Non Metal,An element that lacks most of the properties of a metal
Period, Horintal row of elements in the periodic table Atomic mass,Average mass of all the isotopes of an element Noble Gasses, An element in group 18 of the periodic table
Isotope,An atom with the same number of protons and a different number of neutrons from other atoms of the same element Electron,A tiny negatively charged particle that moves around the nucleus of an atom matla, A class of elements characterized by physical properties that include shininess, malleability ductility conductivity
Synthetic elements,Elements with atomic number higher than 92; not found naturally on earth Chemival symbol, A one-or-letter representation of an element
Conductivity,Ability of an object torci transfer or elecricity to another object Malleable,A term used to describe material that can be pounded into shapes
Group/Family, Elements in the same verticaly column of the periodic table; also called family Protons,A small positively charged particle in the nucleus of the atom
Mass number,sum of protons and neutrons in the nucleus of an atom Atimic number,Number of protons in the nucleus of an atom Ductill,A term used to describe a material that can be pulled out into a long wire
Created by: karla13