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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 atoms nucleus. is the identity of the element and atomic number.
neutron a neutral subatomic particle in the atoms nucleus has no charge and most of the mass.
electron a negative subatomic particle spinning outside the nucleus of an atom .Tiny
element the simplest forms of matter that contain only one type of atom
periodic table of elements the chart organizes all the elements by atomic numbers and properties
valence electrons the electron in the outer level of an atom that causes atoms the bond together
chemical bond an interaction that holds 2 atoms together
chemical bonding the joining of atoms to form new substances
ionic bond it formed when electrons are transferred from one atom to another.
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
malleability metals can be stretched and drown into wires
ductility metals can be pounded into thin sheets
conductivity metal can conduct of carry electrical through
electron dot diagram an easy to show the valance electrons in an atom or chemical bond.
compound a set of elements that are chemically bonded and changed into new substances naci=salt
molecule 2 or more atoms joined in a definite ratio keeps phys and chem properties
diatomic molecule a molecule mode of 2 atoms of the same element _(ex.2 oxygen atoms.
subscript h2o_small number to the right of the element that shows how
Created by: 15rhodesmic
 

 



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