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Chemistry Vocab

TermDefinition
Atom This is the Smallest piece of matter that has the same properties of the element it is in.
Proton This is a Positive (+) subatomic particle in atoms nucleus. This is the identity of the element and atomic number.
Neutron This is a Neutral subatomic particle from the atoms nucleus. It has no charge and most of its mass.
Electron This is a Negative (-) subatomic particle spinning outside the nucleus of an atom. Tiny!
Element This is the Simplest form of matter that contain only one type of atom.
Periodic Table of Elements This is a Chart that organizes all elements by atomic number and properties.
Valence Electron This is the Electron in the outer level of an atom that causes atoms to band together.
Chemical Bond A 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.
Ion Charged particle or atom that gained or lost electrons.
Crystal Lattice Repeating 3 dimensional patterns that forms when ions bond.
Covalent Bond The type of bond that forms when atoms share electrons instead of transferring.
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 and drawn into wires.
Conductivity Electrical-metal can conduct or carry electricity through wires, Thermal-metal can conduct or carry heat in order too cook food.
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.
Synthesis Reaction When two or more substances Combine to create one new compound.
Law of Conservation of Mass States that matte is neither created nor destroyed in a chemical reaction.
Decomposition Reaction Reaction where a single compound breaks down to form 2 simpler substances.
Single Displacement reaction 1 element replace another element in a compound and 1 element
Double Displacmet 2 metal ions in 2 compounds switch places in chemical reactions
Indicator Will change colors in the presence of an acid or a base
Created by: Haylee D
 

 



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