Chemistry Final Review Test Questions – Flashcards

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Substances that prevent certain chemical reactions from taking place are ________.
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inhibitors
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When one element replaces another element in a compound, the reaction is a ________ reaction.
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single-displacement
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Each substance to the right of the arrow in a chemical equation is a ________.
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product
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A chemical reaction in which the energy released is primarily in the form of heat is ________.
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exothermic
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A substance that speeds up a chemical reaction without undergoing a permanent change itself is called a ________.
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catalyst
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Numbers that proceed symbols and formulas in a chemical equation are called ________.
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coefficients
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A chemical reaction in which two or more substances combine to form another substance is a ________ reaction.
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synthesis
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The breaking down of a substance into two or more substances is a ________ reaction.
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decomposition
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Each substance on the left side of the arrow in a chemical equation is a ________.
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reactant
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If energy in the form of heat is required for a chemical reaction to take place, the reaction is ________.
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endothermic
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In a chemical equation, the symbol for "dissolved in water" is ________.
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(aq)
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Acid or Base?... Sour Taste
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acid
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Acid or Base?... Bitter Taste
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base
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Acid or Base?... Produces Hydrogen Ions in Solution
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acid
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Acid or Base?... Corrosive
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both
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Acid or Base?... Slippery
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base
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Acid or Base?... Cause Burns and Tissue Damage
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both
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Acid or Base?... Crystalline Solid in Undissolved State
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base
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Acid or Base?... Produces Hydroxide Ions in Solution
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base
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Acid or Base?... Changes Color on an Indicator
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both
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Acid or Base?... Soap
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base
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Acid or Base?... Fertilizer
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both
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Acid or Base?... Gastric Stomach Juice
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acid
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Acid or Base?... Produces Hydronium Ions
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acid
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Acid or Base?... HCl
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acid
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Acid or Base?... Ammonia
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base
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Ph Scale - Strong Acid
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greater than 0, lower than 3
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Ph Scale - Weak Acid
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3 or higher, less than 7
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Ph Scale - Neutral
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7
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Ph Scale - Weak Base
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greater than 7, 10 or less
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Ph Scale - Strong Base
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higher than 10
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Where In The Table?... Metals
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left of stairstep line
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Where In The Table?... Nonmetals
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right of the stairstep line
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Where In The Table?... Metalloids
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touching the stairstep line
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Where In The Table?... Noble Gases
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group 18
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Where In The Table?... Transition Metals
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groups 3-12
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An element with more than 92 protons is a ________ element.
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transuranium
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An element is ________ when it can be hammered into sheets.
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malleable
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An element is ________ when it can be drawn into wire.
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ductile
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An ________ is a different form of the same element with a different structure.
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allotrope
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A molecule that consists of 2 atoms of the same element is ________.
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diatomic
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An element that gives off particles and energy is ________.
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radioactive
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An element in group 1 is a ________ metal.
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alkali
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An element with both metallic and nonmetallic properties is a ________.
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metalloid
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A substance that conducts electricity under certain conditions is a ________.
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semiconductor
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An element that forms a salt when it gains an electron from a metal is a ________.
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halogen
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When a sea of electrons surrounds positively charged ions, a ________ bond is occurring.
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metallic
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When an element isn't naturally occurring it is ________.
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synthetic
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Most metals, at room temperature, exist as ________.
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solids
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Halogens form salts by ________ bonding.
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ionic
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Elements in group 2 are alkaline ________ metals.
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earth
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A change in size, shape, or state of matter is a ________ change.
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physical
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A substance in which 2 or more elements are combined in a fixed proportion is a ________.
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compound
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A mixture in which different materials are easily distinguished is ________.
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heterogeneous
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A heterogeneous mixture with larger particles that never settle is a ________.
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colloid
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A heterogeneous mixture containing a liquid in which visible particles settle is a ________.
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suspension
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Any material with 2 or more substances that can be physically separated is a ________.
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mixture
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A homogeneous mixture of particles so small they cannot be seen and will never settle is a ________.
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solution
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A mixture containing 2 or more substances that are blended evenly throughout are ________.
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homogeneous
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A substance in which all atoms are alike is an ________.
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element
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The effect of scattering light by colloidal particles is the ________ effect.
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Tyndall
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Heterogeneous or Homogeneous?... Chocolate Chip Ice Cream
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heterogeneous
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Heterogeneous or Homogeneous?... Tap Water
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homogeneous
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Heterogeneous or Homogeneous?... Milk
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homogeneous
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Heterogeneous or Homogeneous?... Smoke
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homogeneous
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Heterogeneous or Homogeneous?... Veggie Soup
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heterogeneous
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Physical or Chemical?... Sharpening a Pencil
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physical
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Physical or Chemical?... Flammability
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chemical
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Physical or Chemical?... Size
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physical
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Physical or Chemical?... Inflating a Tire
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physical
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Physical or Chemical?... Freezing Point
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chemical
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Physical or Chemical?... Drawing Copper into Wire
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physical
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Physical or Chemical?... Corrosion
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physical
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Physical or Chemical?... Fragrance
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physical
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Physical or Chemical?... Hydrogen Burning
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chemical
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Physical or Chemical?... Boiling Water
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physical
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The SI unit was named after ________.
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Blaise Pascal
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What Law?... Pressure of a Gas Will Not Increase if the Volume of the Container Decreases When the Temperature Doesn't Change.
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Boyle's
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What Law?... Volume of a Gas Increases With Increasing Temperature When the Pressure Doesn't Change
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Charles's
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What Law?... All Matter is Made of Small Particles That Are in Motion
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Kinetic theory
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What Law?... As the Velocity of a Fluid Increases, the Pressure Exerted by the Fluid Decreases
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Bernoulli's
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What Law?... Pressure Put on a Liquid is Transmitted Throughout the Liquid
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Pascal's
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What Law?... The Bouyant Force on an Object in a Fluid is Equal to the Weight of the Fluid the Object Displaces.
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Archimedes's
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