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Periodic Table Per A Pradyoth Sirineni Josh Yon (Identify subshells # #…
Periodic Table Per A Pradyoth Sirineni Josh Yon
Can Use it to get the symbol of the element
Can Use it to get the Atomic Mass
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Used to figure out number of moles
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Can Use it to get the atomic number of the element
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Number of protons, neutrons, and electrons
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Can use it to identify periods
Helps you find the Element quickly
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Lets you know what energy level the element is on
Number of subshells
Can use it to identify groups
Helps you identify the element quickly
Can Help you know certain properites of the element
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Elements in the same groups have similar properites
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Properties tend to get more extreme as you move down a period
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Helps you know the number of valence electrons in the element
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Elements from the same group share the same number of valence electrons
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Identify subshells
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S subshell
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P Subshell
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F subshell
D subshell
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Knowing which subshell will help you write electron configuration
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This can be used to determine if the element is in the ground state or excited state
If an element is in its excited state the electron configuration
would be a half filled d and s orbital for a transition metal
Determine an elements quantum numbers
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Use to figure out electron configurations
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Tells you atomic radius trends
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Biggest is Fr Smallest is F
Ionic Radius Trends
Couolums Law
The greater the radius the more soluble
Solubility
If it is easily soluble then it is spontaneous
And it is product favored
Can use to find valence electrons
Can use to find electron configuration
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Can determine which is the most abundant isotopes
The isotope that is most similar to the atomic mass is the most abundant
Electronegativity trends
How the covelent bonds work
Determines the type of intramolecular forces
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Solubility
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Like Dissolves Like
Strength of the forces
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Can be used to determine the bond length
can determine the bond strength
Thermodynamics
How much energy is required to break the bonds
Can help you know the properites of the bond formed
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If there is a large electronegativity difference then it may be an ionic
If the electronegativity difference is large but not large enough to completely remove the electron then it may be a dipole covalent
Could be a evenly shared covalent bond if the electronegativities of the two atoms are similar or equal
Can use to make lews dot structures
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Important for bonding
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can help you determine what type of bond is formed between two molecules
Can be applied to solutions
know solubility
If it was polar it would dissolve in polar substances
If it is non polar it would dissolve in nonpolar substances
Determines the electron geometry
Determines the molecular Geometry
Helps you know the bond angles of the molecule
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Structure of the molecule is affected by lone pairs
Structure would determine what type of intramolecular forces are present
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This could be used to compare which of two elements may have a stronger attraction
Determine which has a higher boiling point
Determine which has a lower freezing point
Can help you determine which bonds are broken and formed
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Helps with enthalpy calculations
Determine if an element is a metal or nonmetal
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Determines what type of bond is formed
This determines the properties of the substance
Its Solubility
Determines if the reaction is spontanous
Determines if the reaction is product or reactant favored
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Melting and Boiling Point
Used to calculate the enthalpy and spontaneity
Helps Predicts Reactions
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Thermodynamics
Helps you know which bonds are broken and formed
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Derminers if its exo or endothermic
Can be used to determine sponteniety
Can be used to calculate the equilibrium constant
Stoichometry
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Calculate how much energy is released when a certain number of moles of substance is burned
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Can be used to calculate the empirical formulas
Helps Calculate moles for Gas Law
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Can be used to calculate Molarity
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Molarity is Used in Acid Base
Solutions
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Electrochemistry
Molarity is used in beers law
Molarity is important for absorbance calculations
Used to Calculate moles in a reaction
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Predicitng a reaction allows you determine if the entropy of a reaction.
Knowing the entropy of the reaction you can calcuate delta G
Electron Affinity
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How easily an atom is willing to accept an electron
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Calculating the molarity
This can be used to calculate the equilibrium constant
Use the Concentrations of Products over Reactants to calculate Keq
Can Also be used to calculate Q
Determines where the equilibrium would shift to produce more of product or reactant depending on K and Q values
Can be used to calculate order
Use Molarity to determine the order of the reaction
Use the order of reaction and concentrations to calculate the rate constant
We can then use the rate constant to calculate the half life of a particular substance
Knowing the rate constant we could also determine what order the reaction is when given the graph
Balancing Equations
Stoichometry
Can be used to find limiting reagent
can be used to find what is in excess
can be used to calculate how much of a product is produced
Finding Percent Composition
importnat conept for combustion analysis
helps determine the molecular formula
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helps determine the empirical formula
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Can be used in gravimetric analysis
Helps determine which compound was initially reacted and precipitated using the percent composition
Helps balance redox reactions
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Helps determine how many moles of electrons were transferred
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This is key to doing electrochemistry porblems
Knowing moles of electrons allows you to calculate time the reaction was run
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How many g of the initial substance were present
How many electrons were transferred as a whole