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45 Cards in this Set
- Front
- Back
Are you supposed to wear opentoed shoes while in lab
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Do you start on labs when you enter the room
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Do you perform unauthorized tests or experiments
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Should you make things go boom
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What is the first step in the Scientific Method
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What is the last step to the Scientific Method
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When measureing in a granulated cylinder where do you read at
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What is mass
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On what axis does the Independent variable go
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On which axis does the dependent variable go
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Who is credited with being the first to systematically catogorize the peroidic table of elements
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How did Dimitri Mendeleev sort the table of elements
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What is the atomic number of Bromine (Br)
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What is the atomic number of Europium (Eu)
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What is He
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What is the symbol for Krypton
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What is moles number
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During what century were chemists combining substances
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What is a good game to play to gain an understanding of atoms
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What was about our class averages (battleship)
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What is an Atom
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Is and atom the smallest part of an element
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What is ionization energy
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When or in what direction does the ionization energy decrease
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What is the Magic number in chemistry
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What is a valence electron
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During and experiment_____ is collected
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After and experiment, it is important to____ the results and come to a ______ about them
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During experiments, scientists must make many________
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The system of measurement used by scientists is called the_____ or ______ system
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This is a system which uses ___ units and multiples of___
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The base unit of mass is
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The base unit of volume is
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the bse unit of length is
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The prefix that means1/100 is
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The prefix that means 1/1000 is
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The prefix that means 1000 is
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Temperature is measured in _____ or in _______ degrees
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If you are measuring the ammount of space an object takes up you are measuring what
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An objects______ is determined by dividing mass by its volume
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Mass,____,_____, and ____ are all examples of properties that can be observed without changing chemical composition
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Length and Volume are examples of what properties
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Density is classified as what properties
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A_______ property can only be observed during a ______ reaction
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_____ is anything that has Mass
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If it cant be broken down into a ____ substance it is a _____
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Each _____ has a ______
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Elements on the table are arranged by_______
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A column on the table is also known as a
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What is Group 7
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What is group 8
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What elemtents dont possess the properties of malleability
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Group 8a is reffered to as
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Group 7a is reffered to as
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What elements contain both properties of metals and nonmetals
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What is the main part of the elements that we use
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The elements in between the representative elements
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______ discovered that an atom is mostly _______ space
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How did Rutherford discover that an atom is mostly ______ space
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What is a mixture
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What is the dense central core called
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What are the charges of the particles in the nucleus
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The ______ _______ of an atom is the sum of the mass of the _____ and ________
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What does AMU stand for
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Outside of the nucleus of and atom, there are ______ charged subatomic particles
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Bohr's model of the _____ atom had this particle traveling in a circular_____
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the lowest energy sublevels that an electron of an atom can occupy is called its ______ _______
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The highest energy sublevels that an electron of an atom can occupy is called its ______ _________
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When and electron moves back down from ______ _______ to _____ state they release energy in form of what
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Visible is just one part of the _________ spectrum
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which include what
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the number of waves per second
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the distance between crest to crest and trough to trough
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atoms are electrically_____
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The number of electrons in an atom is equal to the number of______
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If and atom gains or loses an electron, its called an _____
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What is the definition of Cation
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What is the definition of Anion
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What is the definition of Valence electrons
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What is a compound
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What is a homogenous mixture
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what is a heterogeneous mixture
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what is a suspension
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what is a colloid
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what is the difference between suspension and a colloid
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what is the difference between homogenous and heterogeneous mixture
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what is the difference between a mixture and a colloid
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What is a metalloid
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what is an isotopes
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what is an alkali metal
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