Diatomic elements: H, N, F, O, I, Cl, Br (Beer(liquid), Ice (solid)) Have No Fear Of Ice Cold Beer Brinclhof

The first 20 Elements of the Periodic Table: Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminium, Silicon, Phosphorus, Sulphur, Chlorine, Argon, Potassium, Calcium. The symbol for sodium is "Na". Some mnemonics refer to the symbol "Na" instead of sodium. Harry He Likes Beer Bottle Cold, Not Over Frothy. Nelly's Nanny Might, Although Silly Person, She Climbs Around Kinky Caves;

To remember the products of fractional distillation of crude oil: refinery gases, gasoline, naphtha, kerosine, diesel oil, fuel oil, lubricating fraction (e.g. greases, wax) and bitumen Really Great (and Noble) Kings Don't Forget (Ladies') Birthdays

The elements of group 17 in the periodic table: Fluorine, Chlorine, Bromine, Iodine, Astatine, Tennessine Free Cookies Bring Infinite Amusement Tonight

Oxidation is losing electrons, Reduction is gaining electrons. "OILRiG" - Oxidation is losing electrons, Reduction is gaining electrons. 'I' in Oil stands for increase in Electronegativity Value. "LEO said GER" -Losing Electrons is Oxidation, Gaining Electrons is Reduction

Reactivity of some metals in decreasing order: Potassium Sodium Calcium Magnesium Aluminum

The series of alkanes: Methane, Ethane, Propane, Butane, Pentane, Hexane My Enormous Penguin Bounces Pretty High