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 |
