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36 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Alkai Metals
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column #1 in the periodic table. Lithium too Francium
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Periodic table
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Alkaline Earth metals
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column #2 in periodic table. Beryllium too Radium.
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periodic tabel
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Atomic number
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Amount of protons in an atom located on the top left
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periodic table
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Electron
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negatively charged particle in the atom
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Negative
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Boiling point
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Substance reaches 100°C and changes state into a gas or liquid
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Particle theory
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Chemical change
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The properties of a substance change because it is becoming a new substance
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Nobel gasess
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column #18 in periodic table. Helium to radon
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periodic table
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Chemical properties
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any property that describes how a substance reacts with another substance
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Particle theory
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All matter is made up of tiny particles. There are three types and they are solid, liquid and gas
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what is particle theory?
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Word equation
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Equation using words
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Element
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pure substance made up of only one type of element.
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compound
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pure substance made up of two or more elements chemically combined together.
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Atomic radius
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a measure of the size of an elements atom
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chemical family
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a column of elements with similar properties on the periodic tabel
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gas tests
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using a flame to test if gas is reavtive
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chemical equation
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letters of the periodic table that makes a formula. C+O2= CO2
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CO2
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Density
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A measure of how much mass is contained I'm a given unit of volume of a substance; calculated by dividing the mass by its voulme
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Halogen
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An element in group 17 of periodic table
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heterogeneous
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a mixture in which the substance is visually different
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difference is visable
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homogeneous
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a mixture I'm which the substance is invisable
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substance is invisible
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nutron
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a natural particle in the atoms nucleus
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found in the atoms
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negative charge
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an object that has more electrons then protons
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periodic table
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a chart that contains all the elements known to man
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periode
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horizontal row on periodic table
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physical change
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the properties of the substance may change, but no new substance is formed
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physical properties
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any properties of a substance that can be observed or measured without forming a new substance
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mixture
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more then one substance present. Two types heterogeneous and homogeneous
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positive charge
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an object that has more protons them elections
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mass number
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is protons and nutrons located in upper left corner
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solvent
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only visible particle in a homogeneous mixture
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protons
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positively charged particle in the atom
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solution
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is a homogeneous mixture of two or more substances
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metal
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a solid material that is typically hard, shiny, malleable, fushiable and ductile, with good electrical and thermal conductivity
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non metal
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something other then a metal such as a gas
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pure substance
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only one element present. two types of pure substances, compounds and elements
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solute
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present as seperate , individual particles which are to small to see
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