CHM2045

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Description and Tags

diatomic elements, polyatomic ions, alkanes (10), strong acids

Last updated 9:04 PM on 9/22/26
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62 Terms

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diatomic elements: Have No Fear Of Ice Cold Beer, or find 7 on periodic table

H2, N2, F2, O2, I2, C2, Br2

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acetate

C2H3O2-

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carbonate (T43 method)

CO32-

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hydrogen carbonate / bicarbonate (T43 method)

HCO3-

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hydroxide

OH-

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nitrite (T43 method)

NO2-

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nitrate (T43 method)

NO3-

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chromate

CrO42-

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dichromate

Cr2O72-

10
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phosphate (T43 method)

PO43-

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hydrogen phosphate

HPO42-

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dihydrogen phosphate

H2PO4-

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ammonium

NH4+

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hypochlorite (T43 method)

ClO-

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chlorite (T43 method)

ClO2-

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chlorate (T43 method)

ClO3-

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perchlorate (T43 method)

ClO4-

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permanganate

MnO4-

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sulfite (T43 method)

SO32-

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hydrogen sulfite / bisulfite (T43 method)

HSO3-

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sulfate (T43 method)

SO42-

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hydrogen sulfate / bisulfate (T43 method)

HSO4-

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cyanide

CN-

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peroxide

O22-

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methane

CH4

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ethane

C2H6

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propane

C3H8

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butane

C4H10

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pentane

C5H12

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hexane

C6H14

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heptane

C7H16

32
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octane

C8H18

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nonane

C9H20

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decane

C10H22

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strong acids: SO I Brought NO Clean ClOthes

H2SO4, HI, HBr, HNO3, HCl, HClO4

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kilo (k)

103

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centi (c)

10-2

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milli (m)

10-3

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micro (μ)

10-6

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nano (n)

10-9

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pico (p)

10-12

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determining sig figs for addition/subtraction

based on decimal places

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determining sig figs for multiplication/division

based on sig figs

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average atomic mass

sum of isotope mass * fractional abundance

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ionic compounds

metal + nonmetal and compounds with polyatomic ions

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molecular compounds (covalent bonds)

nonmetal + nonmetal

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binary ionic naming

metal + nonmental (-ide)

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transition metal naming

use roman numeral to indicate charge

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molecular compound naming

use numerical prefixes. end in -ide

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molecular acids (binary acids in aqueous solution)

hydro + root word + -ic acid

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Molarity =

mol/L

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dilution

M1V1 = M2V2

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free element oxidation number

0

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monoatomic ion oxidation number

charge

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group 1 oxidation number

+1

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group 2 oxidation number

+2

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O oxidation number

usually -2, sometimes -1 (peroxides, O22-), rarely -1/2 (superoxides O2-)

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H oxidation number

+1

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F oxidation number

-1

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mole fraction X

= individual moles/total moles

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gases have the same average kinetic energy when…

at the same temperature

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gases deviate from ideal behavior at

high pressure (HP) and low temperature (LT)