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123 Cards in this Set
- Front
- Back
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What is Matter?
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Anything that has mass and occupies space.
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What is Matter Made of?
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Pure Substances and Mixtures
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What is an Pure Substance made of?
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Elements and Compounds
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What is an Mixture made of?
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Heterogeneous mixtures and Homogeneous Mixtures
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What are the states of Matter?
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Solids, Liquids and Gases
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What are the two properties of matter?
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Physical and Chemical
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What does the prefix Homo- mean?
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Same or Like
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What does the prefix hetero- mean?
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other or different
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What does the prefix mono- mean?
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one
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What does the prefix Deca- mean?
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Ten
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Qhat does the prefix Di- mean?
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Two
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What does the prefix Nona- mean?
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nine
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What does the prefix tri- mean?
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three
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What does the prefix octa- mean?
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eight
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What does the prefix Tetra- mean?
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four
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What does the prefix Hepta- mean?
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seven
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What does the prefix hexa- mean?
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six
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What does the prefix penta- mean?
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five
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What is the definition of a Physical Property?
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The property of a substance that can be observed without changing it basic identity of the sentence.
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What is the defintition of a chamical property?
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The property of a substance that describs the way the substance undergoes or resists change to form a new substance.
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How many elements are there?
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115
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How many elements are naturally occuring?
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88
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What is a chemical change in matter?
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A change in the chemical make up resulting in a diffrent substance with different properties.
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What is a physical change in matter?
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A change that does not change the chemical makeup of a substance.
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What are compounds?
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A pure substance made up of two or more atoms.
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What is the metric untic of Length?
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meter (m)
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What is the metric untic of Volume?
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Liter (L)
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What is the metric untic of Mass?
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gram (g)
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What is the metric untic of Temperature?
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degrees celcius
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What is the metric untic of Energy?
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calorie (cal)
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What is the metric untic of Time?
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second (s)
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What is the metric untic of Amount?
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mole (mol)
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Name the metric prefrixes in order from largest to smallest.
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giga, mega, kilo, hecto, deka, deci, centi, nilli, micro.
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Name the symbol and mulitple of giga.
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G, 10e9
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Name the symbol and mulitple of mega.
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M, 10e6
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Name the symbol and mulitple of kilo.
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k, 10e3
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Name the symbol and mulitple of hecto.
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h, 10e2
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Name the symbol and mulitple of deka.
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da, 10e1
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Name the symbol and mulitple of deci.
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d, 10e-1
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Name the symbol and mulitple of centi.
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c, 10e-2
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Name the symbol and mulitple of milli.
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m, 10e-3
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Name the symbol and mulitple of micro.
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u, 10e-6
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What is the formula for area?
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l x h = cm2
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What is the formeula for volume?
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l x w x h = cm3
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What os the formula to change farenheight to celcius?
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(F - 32)/1.8 = C
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What is the formula to chanfe celcius to farenheight?
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1.8C + 32 = F
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What is the formula to change celcius to kelvin?
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C + 273 = K
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what is the formula to change kelvin to celcius?
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K - 273 = C
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What do chemist use the metric unit calorie to measure?
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Energy
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How many Joules does 1 cal equal?
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4.184 J
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one food calorie = ___ cal= __ kcal
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1,000 and 1
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What is the formula for specific heat?
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calories / (gramns x Change in Temperature)
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What is the formula for Density?
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Density= Mass/Volume
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What is the formula to chanfe celcius to farenheight?
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1.8C + 32 = F
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What is the formula to change celcius to kelvin?
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C + 273 = K
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what is the formula to change kelvin to celcius?
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K - 273 = C
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What do chemist use the metric unit calorie to measure?
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Energy
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How many Joules does 1 cal equal?
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4.184 J
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one food calorie = ___ cal= __ kcal
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1,000 and 1
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What is the formula for specific heat?
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calories / (gramns x Change in Temperature)
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What is the formula for Density?
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Density= Mass/Volume
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What is the formula to chanfe celcius to farenheight?
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1.8C + 32 = F
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What is the formula to change celcius to kelvin?
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C + 273 = K
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what is the formula to change kelvin to celcius?
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K - 273 = C
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What do chemist use the metric unit calorie to measure?
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Energy
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How many Joules does 1 cal equal?
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4.184 J
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one food calorie = ___ cal= __ kcal
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1,000 and 1
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What is the formula for specific heat?
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calories / (gramns x Change in Temperature)
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What is the formula for Density?
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Density= Mass/Volume
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What is the formula for the volume of a sphere?
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V = ∏(4/3)r³
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What is the formula for the volume of a cube?
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V = l x w x h
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What is the formula for the volume of a cylinder?
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V = ∏r²h
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What is the formula for the volume of irregular solids?
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V = ∆V = Vhigh - Vlow
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Are buried zeros signifigant or insignifigant?
Ex. 706 |
signifigant
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Wre leading zeros signifigant or insignifigant?Ex. 0.000234
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insignifigant
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Are trailing numbers after the decimal point signifigantor insignifigant?
Ex. 27.00 |
signifigant
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How many signifigant numbers are in 237,401.
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6
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How many signifigant numbers are in 0.300
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3
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How many signifigant numbers are in 3.01
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3
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How many signifigant numbers are in 244.4
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4
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How many signifigant numbers are in 0.01030
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4
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How many signifigant numbers are in 102.30
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5
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When a number is a constant is what type of signifigant number is it considered to be?
Ex. exactly 13 items in a Baker's Dozen |
infinitly signifigant
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When multiplying or dividing signifigant numbers, how many signifigant figures should be in the calculation?
Ex. (3.25)(2.426)(1.3) = (10.24985) |
The quantity with the fewest sig digs. Ex. Ans. = 10
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When adding or subtracting sig figs, how many numbers must the answer contain.
Ex. 1.75 + 20.2 + 0.526 = 22.476 |
The same number of places to the right of the decimal in the quantity with the fewest to the right of the decimal. Ex. Ans. = 22.5
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What is the formula for calculating percentages?
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% = (part/total) x 100
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How may subatomic particles are atoms made up of? And what are their names?
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3. Protons, Nuetrons and Electrons
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What is the center of the Atom called?
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The Nucleus
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What does the nucleus contain?
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Protons and Neutrons
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What is the charge and the mass of a proton?
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charge = +1 and mass = 1
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What is the charge and the mass of a neutron?
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charge= 0 and mass= 1
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What is the charge and the mass of a electron?
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charge = -1 and mass = (1/1836)
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What is the number of protons called in an atom?
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The atomic number
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There are the same number of protons as there are _____.
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electrons
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What is the formula to calculate the mass of an atom?
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Mass = number of protons + number of electrons
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True or False.
Most elements are made up of 3 or more isotopes? |
False. MAde up of 2 or more Isotopes.
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Diffrent isotpes have diffrent _____.
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masses
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The location of an electron can be specified using what three terms?
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Shell, Subshell and Orbital.
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What letter is the shell number indicated by?
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n
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What does a shell number furthest away from the nucleus represent?
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Higher energy
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What letter is the subshell specified by?
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I
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What is the value of I in the s orbital?
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0
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What is the value of I in the p orbital?
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1
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What is the value of I in the d orbital?
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2
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What is the value of I in the f orbital?
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3
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What does the subshell indicate?
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the shape
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All electrons in the same subshell have ________ energy.
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the same
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Electrons subshells are filled in order of ________ energy.
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increasing
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Within a givin number the _____ the value of n, the more stable.
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lower
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Match the number to the orbital.
1. 1 A. D 2. 5 B. F 3. 7 C. P 4. 3 D. S |
1. D
2. A 3. B 4. C |
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Who principle says that each orbital contains a max. of 2 electrons?
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Pauli Exclusion Principle
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What is the max number of electrons the s orbital can hold?
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2
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What is the max number of electrons the p orbital can hold?
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6
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What is the max number of electrons the d orbital can hold?
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10
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What is the max number of electrons the f orbital can hold?
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14
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The elements on the ______ side have completely filled subshells.
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right
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For the Chromium and Copper column got fron ___ to ___.
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s to d
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Elements are in order of _____ atomic numbers.
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increasing
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In the periodic table size _____ as you go down a group and _____ as you go left to right.
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increases, decreases
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Energey ____ as you go left to right.
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increases
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Energy _____ as you go down a group.
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decreases
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True or False. Elements get more metallic as you go down a group.
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True
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True of False. The elements get more mettalic as tou got left to right.
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False. Elements get less metallic when going from left to right.
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