Chemisty 13
Terms
undefined, object
copy deck
 What is Matter?
 Anything that has mass and occupies space.
 What is Matter Made of?
 Pure Substances and Mixtures
 What is an Pure Substance made of?
 Elements and Compounds
 What is an Mixture made of?
 Heterogeneous mixtures and Homogeneous Mixtures
 What are the states of Matter?
 Solids, Liquids and Gases
 What are the two properties of matter?
 Physical and Chemical
 What does the prefix Homo mean?
 Same or Like
 What does the prefix hetero mean?
 other or different
 What does the prefix mono mean?
 one
 What does the prefix Deca mean?
 Ten
 Qhat does the prefix Di mean?
 Two
 What does the prefix Nona mean?
 nine
 What does the prefix tri mean?
 three
 What does the prefix octa mean?
 eight
 What does the prefix Tetra mean?
 four
 What does the prefix Hepta mean?
 seven
 What does the prefix hexa mean?
 six
 What does the prefix penta mean?
 five
 What is the definition of a Physical Property?
 The property of a substance that can be observed without changing it basic identity of the sentence.
 What is the defintition of a chamical property?
 The property of a substance that describs the way the substance undergoes or resists change to form a new substance.
 How many elements are there?
 115
 How many elements are naturally occuring?
 88
 What is a chemical change in matter?
 A change in the chemical make up resulting in a diffrent substance with different properties.
 What is a physical change in matter?
 A change that does not change the chemical makeup of a substance.
 What are compounds?
 A pure substance made up of two or more atoms.
 What is the metric untic of Length?
 meter (m)
 What is the metric untic of Volume?
 Liter (L)
 What is the metric untic of Mass?
 gram (g)
 What is the metric untic of Temperature?
 degrees celcius
 What is the metric untic of Energy?
 calorie (cal)
 What is the metric untic of Time?
 second (s)
 What is the metric untic of Amount?
 mole (mol)
 Name the metric prefrixes in order from largest to smallest.
 giga, mega, kilo, hecto, deka, deci, centi, nilli, micro.
 Name the symbol and mulitple of giga.
 G, 10e9
 Name the symbol and mulitple of mega.
 M, 10e6
 Name the symbol and mulitple of kilo.
 k, 10e3
 Name the symbol and mulitple of hecto.
 h, 10e2
 Name the symbol and mulitple of deka.
 da, 10e1
 Name the symbol and mulitple of deci.
 d, 10e1
 Name the symbol and mulitple of centi.
 c, 10e2
 Name the symbol and mulitple of milli.
 m, 10e3
 Name the symbol and mulitple of micro.
 u, 10e6
 What is the formula for area?
 l x h = cm2
 What is the formeula for volume?
 l x w x h = cm3
 What os the formula to change farenheight to celcius?
 (F  32)/1.8 = C
 What is the formula to chanfe celcius to farenheight?
 1.8C + 32 = F
 What is the formula to change celcius to kelvin?
 C + 273 = K
 what is the formula to change kelvin to celcius?
 K  273 = C
 What do chemist use the metric unit calorie to measure?
 Energy
 How many Joules does 1 cal equal?
 4.184 J
 one food calorie = ___ cal= __ kcal
 1,000 and 1
 What is the formula for specific heat?
 calories / (gramns x Change in Temperature)
 What is the formula for Density?
 Density= Mass/Volume
 What is the formula for the volume of a sphere?
 V = âˆ(4/3)rÂ³
 What is the formula for the volume of a cube?
 V = l x w x h
 What is the formula for the volume of a cylinder?
 V = âˆrÂ²h
 What is the formula for the volume of irregular solids?
 V = âˆ†V = Vhigh  Vlow

Are buried zeros signifigant or insignifigant?
Ex. 706  signifigant
 Wre leading zeros signifigant or insignifigant?Ex. 0.000234
 insignifigant

Are trailing numbers after the decimal point signifigantor insignifigant?
Ex. 27.00  signifigant
 How many signifigant numbers are in 237,401.
 6
 How many signifigant numbers are in 0.300
 3
 How many signifigant numbers are in 3.01
 3
 How many signifigant numbers are in 244.4
 4
 How many signifigant numbers are in 0.01030
 4
 How many signifigant numbers are in 102.30
 5

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

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

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
 What is the formula for calculating percentages?
 % = (part/total) x 100
 How may subatomic particles are atoms made up of? And what are their names?
 3. Protons, Nuetrons and Electrons
 What is the center of the Atom called?
 The Nucleus
 What does the nucleus contain?
 Protons and Neutrons
 What is the charge and the mass of a proton?
 charge = +1 and mass = 1
 What is the charge and the mass of a neutron?
 charge= 0 and mass= 1
 What is the charge and the mass of a electron?
 charge = 1 and mass = (1/1836)
 What is the number of protons called in an atom?
 The atomic number
 There are the same number of protons as there are _____.
 electrons
 What is the formula to calculate the mass of an atom?
 Mass = number of protons + number of electrons

True or False.
Most elements are made up of 3 or more isotopes?  False. MAde up of 2 or more Isotopes.
 Diffrent isotpes have diffrent _____.
 masses
 The location of an electron can be specified using what three terms?
 Shell, Subshell and Orbital.
 What letter is the shell number indicated by?
 n
 What does a shell number furthest away from the nucleus represent?
 Higher energy
 What letter is the subshell specified by?
 I
 What is the value of I in the s orbital?
 0
 What is the value of I in the p orbital?
 1
 What is the value of I in the d orbital?
 2
 What is the value of I in the f orbital?
 3
 What does the subshell indicate?
 the shape
 All electrons in the same subshell have ________ energy.
 the same
 Electrons subshells are filled in order of ________ energy.
 increasing
 Within a givin number the _____ the value of n, the more stable.
 lower

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  Who principle says that each orbital contains a max. of 2 electrons?
 Pauli Exclusion Principle
 What is the max number of electrons the s orbital can hold?
 2
 What is the max number of electrons the p orbital can hold?
 6
 What is the max number of electrons the d orbital can hold?
 10
 What is the max number of electrons the f orbital can hold?
 14
 The elements on the ______ side have completely filled subshells.
 right
 For the Chromium and Copper column got fron ___ to ___.
 s to d
 Elements are in order of _____ atomic numbers.
 increasing
 In the periodic table size _____ as you go down a group and _____ as you go left to right.
 increases, decreases
 Energey ____ as you go left to right.
 increases
 Energy _____ as you go down a group.
 decreases
 True or False. Elements get more metallic as you go down a group.
 True
 True of False. The elements get more mettalic as tou got left to right.
 False. Elements get less metallic when going from left to right.