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Science vocabulary

TermDefinition
Atom smallest piece of matter that has the same properties of the element it is in
Proton A positive subatomic particle in the atoms nucleus the identity of the element & atomic number
Neutron A neutral subatomic Particle in the atoms nucleus has no charg & most of the mass
electron A negative subatomic particle spinning outside the nucleus of an atom
element The simplest forms of matter that contain only one type of atom
Periodic table of elements A chart that organizes all the elements by atomic number & properties
Valence electron The electron in the outer level of an atom that causes atoms to bond together
Chemical Bond An interaction that holds 2 atoms together
Chemical bonding The joining of atoms to form new substances
Ionic Bond is formed when electrons are transferred from one atom to another atom
ion Charged particle or atom that gained or lost electrons
Crystal lattice repeating 3 dimensional pattern that forms when ions bond
Covalent bond the type of bond that forms when atoms share electrons instead of transferring them
metallic bond A special bond between metal ions and the electrons that swim around them
Malleability metals can be pounded into thin sheets
ductility Metals can be stretched & drawn into wires
Conductivity metal can conduct electricity & heat
Electron dot diagram An easy way to show the valence electrons in an atom or chemical bond
Compound A set of elements that are chemically bonded & changed into new substances
Created by: lemedian55
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