chemistry notes for chapter 5
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| Similar traits repeat in regular intervals? | Periodicity
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| Groups of 3 similar elements? | Dobreiners triads.
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| Similar elements fell into groups when organized by atomic mass into eight columns. | Newland's octaves
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| This man organized elements atomic mass? also realized there were undiscovered elements and left space for them?? | Mendeleev
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| Properties of elements vary with atomic mass? | Periodic law
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| Arranged elements by atomic number instead of atomic mass? | Henry Moseley
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| Properties of elements vary with their atomic number in a periodic way? | Modern Periodic Law
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| Trans-uranium elements were isolated and adopted before?? | WWII
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| These elements have atomic numbers greater than 92? | Trans-uranium elements
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| Which 2 trans-uranium elements are found in nature? | Neptunium and plutonium.
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| Vertical column of elements with similar chemical and physical properties?? | Group/family
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| Horizontal row. Period number equals the highest energy level used by ground state atoms. | period/series
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| Elemental Families numbered from 1 to 18? | IUPAC convention
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| Elemental families labeled with number and letter? | NAC
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| Elements immediately adjacent to the stair step-line and share properties of non-metals?? | Metallloids
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| Fits after lanthanum? | Lanthanide series
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| Fits after actinium? | Actinide series
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| A stair step line seperates metals and non metals | true
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| The minimum energy required to remove the first electron from the shell of an electron to make a cation? | Ionization energy
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| Metals require low or high energy? | Low energy
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| Noble Gases require?? | High energy
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| The amount of energy required to add an atom to create a cation? affected by how full its highest energy level is. | Electron Affinity
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| The attraction between the nucleus and valence electrons? developed by? | Electronegativity;Linus Pauling
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| Which elements have the highest and lowest electron affinity? | Fluorine has the highest and cesium has the lowest.
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| Distance from center of nucleus to outermost electron? | Atomic radii
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| Less electrons = | Smaller radius
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| More electrons= | Larger radius
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| The study of the elements and the compounds they form? | Descriptive chemistry
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| A very flammable gas that has a family of its own? | Hydrogen
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| Compounds of hydrogen and carbon? | Hyrdrocarbons
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| Describe the Alkali metals? | Group 1, very reactive, and easily give up their electron.
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| Describe the alkaline earth metals?? | Group 2, solids, denser and harder than the alkali metals. they normally give up their electrons.
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| Describe the transition metals? | Groups 3-12 solid, have mettalic properties, include common and precious metals.
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| Describe the Inner transition metals?? | Normally shown below the main table, lancthanide series and actinide series. some are found in nature and some not.
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| Weakly attracted to a magnet because of unpaired electrons? | Paramagnetic
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| Post transitional metals? | Aluminum,tin, and lead
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| Metalloids? | Around stair step line on the table called semiconductors!
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| Describe the boron family? | Group 13. 1 metalloid = boron rest are post transitional mateals
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| Describe the carbon Family? | Solids. nonmetals=carbon. metalloids= Si&Ge
Post trans= tin and lead group 14
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| The nitrogen family? | Group 15. non-metals nitrogen. phosphorus=solid
metalloids=arsenic and antimony. post trans-bismuth
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| Group that has all 8 valence electrons and doesn't like reacting with anyone? | Noble Gases
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| A group that forms salts when reacting with metals and only seek one electron? | The Halogen family
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| Describe the oxygen family? | Group 16. have 6 valence electrons. Non metals=oxygen,sulfur,selenium. metalloids=tellurium.
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| Compounds containing oxygen? | Oxides
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| Elements combined with sulfur? | Sulfides
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| Fellow students please don't forget that the chapter 5 elements will also be on this test on Tuesday :) | Also alot of this test is practical applied thinking. Study the chapter in your book as well as practice electron affinity,atomic radii,and electronegativity on a periodic table.
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| Best of luck! | Follow @kylewitt2 on twitter!
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