- Convert to moles using molar mass - Reagent with smallest values is reagent

Chem 1201 Flashcards by Mackenzie Lee

Derived Units

D=m/v

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Sig Figs for Adding and Subtracting

Answers are rounded to least significant DECIMAL place

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Sig Figs for Multiplying and Dividing

Answers are rounded to least significant place

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Conversion Factors

36 in = 1 yd
5280 ft = 1 mil
1760 yd = 1 mil

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Dimensional Analysis

Mega, Kilo, BASE, deci, centi, milli, micro, nano, pico

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Average Atomic Mass

(percent decimal)(Mass) + (percent decimal)(mass)

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Cation and Anion

+1, +2 ………. +3 (+-4) -3, -2, -1

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Anions

Only in column 5A-7A

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Acid Nomenclature

If anion ends in –ide change ending to –ic and and hydro–

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Percent Composition

(# of atoms)(atomic weight) / Molecular Weight

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Limiting Reagent

Convert to moles using molar mass

- Reagent with smallest values is reagent

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Strong Electrolytes

Strong Acids, Strong Bases, some salts

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Weak Electrolytes

Weak Acids and Bases

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Strong Acids

HCl, HBr, HI, HNO3, H2SO4

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Strong Bases

NaOH, KOH, LiOH, Ba(OH)2

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Weak Bases

Contain N

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Ionic Equation

-Break down aq solutions, then cross out if repeated

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Concentration of Solutions

M = moles of solute / V

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Dilution

Mcon X Vcon = Mdil X Vdil

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Electromagnetic Radiation

c= W(V)

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Quantum Number

n, l, m1

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1, 2, 3, 4….

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n-1 values
0-s
1-p
2-d
3-f

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+ or - values of l

Pauli Rule

no two electrons can face same way in the box

Electron Configuration for ions

If + then subtract, if - then add

Increases Up and Right

Effective Nuclear Charge Ionization Energy Electronegativity

Increase down and left

Atomic Radius | Metallic Character

Dipole Molecules

Polar Molecules, Force moving toward center atom, or have lone pairs

2 Electron Domains

Linear, 180, sp

3 Electron Domains

Trigonal Planar, 120, sp2

4 Electron Domains

Tetrahedral, 109.5, sp3

5 Electron Domains

Trigonal Bi-pyramidal, 120 & 90, sp3d

6 Electron Domains

Octahedral, 90 & 180, sp3d2

How to find dipole movement?

Movement moves towards most electronegative element

Linear Molecular Geo

Linear

Trigonal Planar Molecular Geo

Trigonal Planar | Bent

Tetrahedral Molecular Geo

Tetrahedral Trigonal pyramidal Bent

Trigonal Bi-pyramidal Molecular Geo

Trigonal Bi-pyramidal Seesaw T-shaped Linear

Octahedral Molecular Geo

Octahedral Square pyramidal Square Planar

1 atm

760 mmh

Ideal Gas Equation

PV=nRT

What intermolecular forces has highest boiling point

Ionic Bonding > Ion-Dipole > Hydrogen Bonding > Dipol-Dipole > London Diperson

If the ions have different charges, the ________ the charge, the larger the lattice energy

Greater

Electronegativity of 0 results in

Non polar covalent

Atoms that have the same number of electrons are said to be

Isolelectronic

F- is smaller than F

False

First ionization energy of Lead

Pb(g)--->Pb^+(g)+e^-

Zeff =

The total number of the #'s in the electron config (subscripts)

Electron Affinity

Most negative electron affinity is the same as saying which has the largest electron affinity

Nitrate

NO3

of moles

M x V

Energy =

h*v/wavelength

Constants c and h

c=3*10^8 | h= 6.620*10^-34

Ionic vs Molecular

Ionic: Metal and nonmetal Molecular: Just Non-Metals

Electron Config for Fe2+

[Ar]3d^6

Which covalent single bond is most polar?

One with highest electronegativity

Urms

sqrt(3RT)/MM