Chemistry
Mnemonic device
LEO GER
Chemistry students use the phrase "LEO says GER" to keep the two halves of a redox process straight, since the Loss of Electrons is Oxidation while the Gain of Electrons is Reduction.
nr 58 - submitted by Anonymous (10-30-2005)
Mnemonic device
Harry He Likes Beer But CanNot Obtain Food
To remember the first few elements of the Periodic Table.
nr 59 - submitted by Anonymous (10-30-2005)
Mnemonic device
Here Lies Benjamin Bold; Cry Not Old Friend; Needlessly Nature Magnifies All Simple People Sometimes, Clots and Kings.
To remember the first few elements of the Periodic Table.
nr 60 - submitted by Anonymous (10-30-2005)
Mnemonic device
Memorize eternal propositions, but pension hectic happy occult nonsensical declarations
The underlined characters help you to memorize the first ten alkanes: methane, ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane
nr 85 - submitted by Johnlef (11-14-2005)
Mnemonic device
OIL RIG
O-xidation I-s L-oss (of electrons); R-eduction I-s G-ain (of electrons)
nr 87 - submitted by Anonymous (11-15-2005)
Mnemonic device
Acid to Water; All is Well.Water to Acid; What an Accident!
Use these two mnemonics to help remember that it is OK to add acid to water, but you may get an explosion from the excess heat created by reversing the order of mixing the two.
nr 103 - submitted by Mark Holden (01-08-2006)
Mnemonic device
Hi Hello Little Beryll Brown Cracking Nuts On Friday. Nellie's Naughty Magpie Always Sings Pop Songs Clearly After Killing Cathy
Periodic Table - Atomic Weight 1st Twenty ElementsHydrogen 1, Helium 2, Lithium 3, Beryllium 4, Boron 5, Carbon 6, Nitrogen 7, Oxygen 8, Flourine 9, Neon 10, Sodium 11, Magnesium 12, Aluminium 13, Silicon 14, Phosphorous 15, Sulphur 16, Chlorine 17, Argon 18, Potasium 19, Calcium 20
nr 104 - submitted by Pieter Hoekstra (01-08-2006)
Mnemonic device
The Periodic Table (contributors include Bob Gayhart and Dean Campbell) Group 1A (H Li Na K Rb Cs Fr): -Highly Nasty Kids Rub Cats Fur -Hans liebt Natuerliche Kaese reibt (ueber) (c)zentralsued Frankreich. (!) Group 2A (Be Mg Ca Sr Ba Ra): -Bearded Muggers Came Straight Back Rapidly. -Beer Mugs Can Serve Bar Rats. Group 3 (B Al Ga In Tl): -Big Al Garner's In Trouble. -Big All Gave in Tulsa. -Big Al Gave Incomplete Totals. -Big Al Gave Innocent Toys. -Bob Allen Gave Indians Tennis Lessons. -Bears Always Give Indians Trouble. Group 4A (C Si Ge Sn Pb): -Can Silly Germans Snatch Lead? -Conniving Sisters Get Snotty Playboys. -Can Si Get Snuckered at the Pub? Group 5 (N P As Sb Bi): -New Popes Assign Subordinate Bishops. -Never Put Arsenic in Silver Bullet Beer. Group 6A (O S Se Te Po): -Oil is slicker with STP. -Old Soldiers Seem Terribly Polluted. -Oversized Sailors Sell and Tell about Polo cologne. -Oh, she sells the poles. Group 7A (F Cl Br I At): -Frank Cleverly Brought Indian Attire. -Fairy Clowns Broil Innocent Ants. -Fat Clyde Bribed Innocent Arthur. -"Floor Cleaner Broken?" I asked. Group 8A (He Ne Ar Kr Xe Rn): -He Never Arrived; Karen eXited with Ron. -He needs our crazy Xerox repairman. First Row Transition Metals (Sc Ti V Cr Mn Fe Co Ni Cu Zn): -St. Vincent Cried "Mommy!" Feeling Cold Next to Cold Zombies. -Scott Tips Very Counterfeit Money, Feels Cold Near Cubic Zircons. -Scary Tiny Vicious Creatures Mean Females Come Nightly to Club Z. -Scotty Vickerman Fee cony cousin. -Scott tickled Vanna's cranium, manager Fred could not cut in. Second Row Transition Metals (Y Zr Nb Mo Tc Ru Rh Pd Ag Cd): -Yes sir, Nob. Most technicians rub Rod's pale silver Cadillac. Third Row Transition Metals (La Hf Ta W Re Os Ir Pt Au Hg): -Larry's half taken, Wendy reached out her plate audibly, Helga. Lanthanides (Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu): -Caesar Procrastinated at the Nile, Permitting So Many Europeans (who were) Getting Turbid (and) Dying (of) Home Urges (erges?) To Yell "Lutetium!". -Cecil proudly named Pam, Sam, (and) Eugene. Good Tobin dyes hosiery early tomorrow yellow-blue. Actinides (Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr): -Three planets: Uranus, Neptune, (and) Pluto. Amy cured Berkeley, California. Einstein (and) Fermi made noble laws.
I think no explanation is needed to use that mnemonic.Its simple but effective
nr 139 - submitted by Prasanth Raj (05-29-2006)
Mnemonic device
Must Every PRefect Be PErfect
Used to remember the first five alkanes.Methane, Ethane, PRopane, Butane, PEntane
nr 189 - submitted by Craig (11-08-2006)
Mnemonic device
Maggie Enjoys Pacifiers & Bottles
Use Maggie from the Simpsons to remeber the first 4 alkanes/enes/ynes: Methane, Ethane, Propane, Butane
nr 221 - submitted by UCI diidy (11-23-2006)
Mnemonic device
Please Stop Calling My African Zebra In Latin Class.
Used to remember the reactivity series.
Pottasium, Sodium, Calcium, Magnesium, Aluminium, Zinc, Iron, Lithium, CARBON.
Pottasium, Sodium, Calcium, Magnesium, Aluminium, Zinc, Iron, Lithium, CARBON.
nr 373 - submitted by Big Jam (04-22-2007)
Mnemonic device
Oh My Such Good Apple Pie
The first letters of "Oh My Such Good Apple Pie" correspond to those of the straight-chain dicarboxylic acids of carbon numbers two through seven; i.e., oxalic, malonic, succinic, glutaric, adipic, and picric acids
nr 405 - submitted by RCSchulz (06-16-2007)
Mnemonic device
kuh nuh cah mug al | zun feh sun pub | coo ag ooo plat
Reactivity series.
K Na Ca Mg Al | Zn Fe Sn Pb | Cu Ag Au Pt
K Na Ca Mg Al | Zn Fe Sn Pb | Cu Ag Au Pt
nr 409 - submitted by Anonymous (06-18-2007)
Mnemonic device
LOANBRA
Left side Anode Negative ions attract this is used in electrodes
Blue litmus to Red litmus Acid
Blue litmus to Red litmus Acid
nr 423 - submitted by kavinila (07-22-2007)
Mnemonic device
LOAN
Left side Oxidation Anode attracts Negative ions
nr 432 - submitted by anbu (08-12-2007)
Mnemonic device
OIL RIG
Oxidation Is Loss Reduction Is Gain
nr 433 - submitted by Anonymous (08-12-2007)
Mnemonic device
Monarch Edward Prefers Birthday Parties His Highness Offers No Drinks
Meth, Eth, Prop, But, Pent, Hex, Hept, Oct, Non, Dec
nr 446 - submitted by KC Chidambaram (09-05-2007)
Mnemonic device
Sober Physicists Don't Find Giraffes Hiding In Kitchens
The order of atomic orbitals (s,p,d,f,g,h,i,k). After K, they're alphabetical.
nr 448 - submitted by Anonymous (09-06-2007)
Mnemonic device
Do like an otter, add acid to water.
The order to combine acid and water.
nr 453 - submitted by Deb (09-11-2007)
Mnemonic device
Tall Gene calls Florence at our quarters to correct dumbness.
Mohs scale of hardness: Talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum diamond
nr 496 - submitted by Anonymous (11-17-2007)
Mnemonic device
How He Lies Because Boys Can Not Open Flowers
First nine elements in the Periodic Table
nr 497 - submitted by galaxiom (11-23-2007)
Mnemonic device
BrINClHOF (pronounced brinklehoff)
The diatomic molecules: Bromine, Nitrogen, Chlorine, Hydrogen, Oxygen, and Fluorine.
nr 548 - submitted by Anonymous (05-15-2008)
Mnemonic device
Do what you Oughter, add acid to water!
A reminder to only acid acid to water, and not water to acid.
nr 555 - submitted by Anonymous (06-03-2008)