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62 Cards in this Set
- Front
- Back
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Water is an example of a(n)___________________
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chemical
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One example of a chemical used in toothpaste is ______
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calcium carbonate
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Which of the following is not a chemical?
water, light, salt, carbon dioxide, chlorine |
light
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Sodium fluorophosphate is a chemical used in toothpaste to _________________
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strengthen tooth enamel
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Chlorofluorocarbons are destructive to the __________________
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ozone layer in the upper atmosphere
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5.21cm is the same distance as
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0.0521 meter
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How many centimeters are there in 57.0 inches?
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145 cm
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1 pint of milk has a volume of how many milliliters? (2 pints = 1 quart)
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472ml
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What is NOT a characteristic of the solid state?
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particles are moving very fast
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What is NOT a physical change?
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burning gas in a lawnmower
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What is a physical change?
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dry ice subliming
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An example of kinetic energy is ____________
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running water
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What is an example of potential energy?
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water stored in a reservoir
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The phrase "ability to do work" is a definition of ______________
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energy
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The energy of motion is referred to as _________________
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kinetic energy
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650 J is the same as ______________ cal
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155 cal
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The dietary calorie (Cal) is equal to
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1000 calories
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A temp of 41 degrees F is the same as ___________ Celsius
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5 degrees Celsius
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The specific heat of a substance is the amount of heat needed to __________
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raise the temp of 1 gm of the substance by 1 degree C
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What is a property of a solid?
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The particles have a fixed position and are very close together
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The primary substances of which all other things are composed are _____________________
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elements
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Au is the symbol for
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gold
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What is a characteristic of the modern periodic table of elements?
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the elements in each group have similar chemical properties
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The Group 8A elements
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are unreactive and rarely found in combination with other elements
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what is characteristic of non-metals?
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low melting point
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Which of the following is a noble gas?
argon oxygen nitrogen chlorine |
argon
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In an atom, the nucleus contains
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all the protons and neutrons
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The atomic number of an atom is equal to the number of _________________
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protons
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Consider an isotope of sodium with a mass number of 25. The number of neutrons in this isotope of sodium is _______________________
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14
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The elements lithium, sodium, and potassium
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are in the same group
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The arrangement of any particular atom shows
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the number of electrons in each energy level
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The max number electrons that may occupy the third electron energy level is
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18
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HCO3
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hydrogen carbonate (bicarbonate)
1- charge |
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CO3
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Carbonate
2- charge |
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C2H3O2
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Acetate
1- charge |
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NO3
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Nitrate
1- charge |
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NO2
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Nitrite
1- charge |
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CN-
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Cyanide
1- charge |
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NH4+
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Ammonium
1+ charge |
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H2PO3
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Dihydrogen phosphite
1- charge |
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ClO-
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Hypochlorite
1- charge |
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ClO2-
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Chlorite
1- charge |
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ClO3-
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Chlorate
1- charge |
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ClO4-
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Perchlorate
1- charge |
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CrO4 (2-)
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Chromate
2- charge |
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Cr2O7(2-)
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Dichromate
2-charge |
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OH-
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Hydroxide
1- charge |
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C2O4(2-)
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Oxalate
2- charge |
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MnO4-
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permanganate
1- charge |
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H2PO4
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Dihydrogen phosphate
1- charge |
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PO4(3-)
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Phosphate
3- charge |
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HPO4(2-)
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Hydrogen Phosphate
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SO3(2-)
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Sulfite
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HSO4-
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Bisulfate
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S2O3(2-)
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Thiosulfate
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SO4(2-)
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Sulfate
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combination reaction
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a chemical reaction in which reactants combine to form a single product
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combustion reaction
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a chemical reaction in which a fuel containing carbon and hydrogen reacts with oxygen to produce CO2, H20 and energy
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Decomposition reaction
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a reaction in which a single reactant splits into two or more simpler sustances
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Single replacement
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a reaction in which an element replaces a different element in a compound
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double replacement
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a reaction in which parts of two different reactants exchange places
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oxidation-reduction reaction
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a reaction in which the oxidation of one reactant is always accompanied by the reduction of another reactant
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