Structure and Properties of Matter – Flashcards

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Atomic Number
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Proton number
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Nucelon
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Number of protons and neutrons
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Nuclide
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All the nucelus parts of an atom
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Isotone
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Refers to nuclides that have the same number of neutrons but a different number of protonsRefers to nuclides that have the same number of neutrons but a different number of protons
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Isobar
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Different counts but same total of protons/neutrons
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Isotope
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Different amount of neutrons
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Nuclear Isomers
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Have same amount of protons and neutrons but different energy levels
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Quarks
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They make up protons, neutrons, electrons
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Stable Isotopes
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Isotopes that do not decay
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Radioactive Isotopes
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Unstable nuceliu and undergo spontaneous nuclear reaction
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Atomic Mass
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A = Z + N (protons + neutrons)
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Atomic Weight
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Relative atomic mass, mass per atom sample
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Nuclear Fission
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Splitting of a large nucelus into smaller pices
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Nuclear Fusion
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Many atomic nucluei with chargers are joined together
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Electron Shell
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2=K, L=8, M=17, N=32
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Ionic Bond
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Transfer electron
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Covalent
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Share bonds
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Compound
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Two substances, have to be decomponsed by chemical not physical
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Solution
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Homogenous mixture compopsed of two or more subtances that become one
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Mixture
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Homogenous mixture compopsed of two or more subtances that become one
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Cathode Ray
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In 1800s, led to discover of electrons
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Atomic Radii
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Decrease from left to right
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Ideal Gas Law
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PV=nRT  

  1. P=pressure, V=Volume, n=number of moles, 8.315K/mol, T=temp

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Alkali Metals
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Group 1
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Alkaline Earth Metal
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Group 2
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Transition Metal
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Group 3-12
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Boron
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Group 13
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Carbon Family
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Group 14
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Pnictogens
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Group 15
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Chalocogens
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Group 16
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Halogen
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Group 17
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Noble Gases
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Group 18
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Period Trend, Radii
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  1. Decreases from left to right  

  2. Increases from top to bottom

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Electronegavity
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  1. Increases left to right 

  2. Decreases from top to bottom

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Ionization Energy
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  1. Increases across from left to right (period) 

  2. Decreases from top to bototm (group)

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Electron Afinity
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  1. More negative across a period 

  2. No change in a group

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Charle's Law
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  1. Gas expands while heated 

  2. The law of volumes

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Boyle's Law
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Gas contract when pressure is applied
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Inorganic Compound
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Lacks Carbon
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Organic Compound
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  1. Has Carbon 

  2. Covalent bonds  

  3. Melt at low temp 

  4.  Not water soluble

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