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chemistry

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 atom's nucleus. Is the identity of the element and atomic number.
Neutron A negative subatomic particle in the atom's nucleus...has no change and most of the mass.
Electron A negative subatomic particle spinning outside the nucleus of an atom. Tiny!
Periodic Table of Elements A chart that organizes all the elements by atomic number and properties.
Valence Elements The electron in the outer level of an atom that causes atom to bond together.
Chemical Bond An interaction that holds 2 atoms together.
Chemical Bonding The joining of atoms to form new substance.
Ionic Bond Is formed when electrons are transferred from one atom to another atom.
Ion Charged particles or atoms 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.
Ductility Metals can be stretched and drawn into wires.
Malleability Metals can be pounded into thin sheets
Conductivity Metal can conduct or carry electricity through wires.
Thermal Conductivity Metal can conduct or carry heat in order to cook food.
Electron Dot Diagram An easy way to show the valence electrons in an atom or chemical bond.
Compound A set of electrons or elements that are chemically bonded and changed into new substance.
Molecule 2 or more atoms joined in a definite ratio. keeps phy. 8 chem properties.
Diatomic Molecule A molecule made of 2 atoms of the same element
Created by: borjac