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Chem. Vocab Nico 1

ChemistryVocab 1

Matter can neither be created nor destroyed Law of Conservation of Mass
To change from one state to another without a change in chemical composition Physical Change
A usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition Chemical Change
A substance that cannot be separated into simpler substances by chemical means Element
a representation of a substance using symbols for its constituent elements formula Chemical Formula
If a molecule is only two of the same element Element (Diatomic) Formula
A molecule made of more than 1 type of element Compound Molecule
An easy way to show which elements/molecules are combined to make 1 or more molecules Chemical Equation
The proccess of changing a set of chemical substances by breaking down the chemical bonds between atoms Chemical Reaction
The elements that are combining together Reactants (In A Chemical Equation)
The element that is the result Products (In A Chemical Equation)
The amount of molecules. Coefficients (In A Chemical Equation)
The amount of a certain type of element in a molecule. Subscript (In A Chemical Equation)
A compound formed by ions bonding together through electrostatic forces. Ionic Compound
A molecule formed by covalent bonds, in which the atoms share one or more pairs of valence electrons Covalent Compound
A compound that contains one or more metal elements Metallic Compound
The combining of separate elements or substances to form a coherent whole Sythesis
A decomposition reaction is a type of chemical reaction where one reactant yields two or more products Decomposition
A chemical reaction in which an element replaces one element in a compound Single Replacement
A double replacement reaction is a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions Double Replacement
Created by: p0501839



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