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Terms and Concepts Periodic Table

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Term
Definition
matter   Anything that has mass and takes up space  
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mass   the material that matter is made up of  
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volume   how much room/space matter takes up  
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density   D =m/v the amount of material/stuff matter takes up within a specific space  
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atom   smallest part of an element, the building blocks of all matter  
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electron   particle of an atom that surrounds the nucleus, it has a negative charge and attractive force to bond with  
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proton   particles of an atoms that positive charge located in the nucleus.  
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Atomic mass   the measurement of the mass for an elements atoms  
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Atomic number   how many protons an element has inside the nucleus/usually is the same #of neutrons and electrons  
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chemical property   the ability of substances to combine with one another forming new and different compounds and molecules  
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Physical property   the state of matter and appearance of a substance  
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ionic bond   when elements either lose or gain an electron during bonding  
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covalent bond   when elements share electrons during bonding  
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chemical change/reaction   elements bond together through the attractive force of electrons creating some type of reaction and change  
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compound/molecule   two or more elements combine together in a specific ratio/pattern  
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