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Chemistry vocab

Atom Smallest piece of mater that has the same properties of the element it is in.
Proton A positive submatic particle in the atoms nucleus. Is the identity of the element and atomic number
Neutron A neutral submatic 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.
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 and 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 from new substances.
Ionic Bond Is formed when electrons are transformed from one atom to another atom.
Ion Charged particle or atom that gained or lost electrons
Crystal Lattice Repeating & dimensional pattern that forms when ions bond.
Covalent Bond The type of bond that forms when atoms share electrons instead pf transforming them.
Metallic Bond A special between metal ions and the electrons that swim around them.
Malleability Metals can be pounded into thin sheets.
Ductility Metals can be stretched and drawn into wires.
Conductivity Electrical- Metal can conduct or carry electricity through wires. thermal- Metal can conduct or carry heat in order to cook food.
Chemical formula A shorthand way to use chemical symbols and numbers to represent a substance.
Subscript H2O _ small numbers to the right of the element shows how many atoms there are of the element.
Coefficient The large number multiplies atoms of the element.
Chemical equation Uses symbols to show the relationship between the reactions and the products.
Reactant A substance or mulicule that shorts a chemical reaction
Product The substances that forms as a result of a chemical reaction.
Law of Conservation of Mass States that matter is neither created nor destroyed in a chemical reaction.
Synthesis reaction what 2 or more substances combine to create one new compound
Decomposition reaction a reaction where a single compound breaks down to form 2 simpler sunstances
Single displacement reaction one element replaces another element in compound leaving a new compound and 1 element
double displacement reaction The 2 metal ions in 2 compounds switch places in a chemical reaction.
Indicator Will changes colors in the presence of an acid or a base
Created by: tkuddie



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