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  2. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

  3. Carbon group - Wikipedia

    en.wikipedia.org/wiki/Carbon_group

    In modern IUPAC notation, it is called group 14. In the field of semiconductor physics , it is still universally called group IV . The group is also known as the tetrels (from the Greek word tetra , which means four), stemming from the Roman numeral IV in the group name, or (not coincidentally) from the fact that these elements have four ...

  4. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    To remember the order of taxa in biology (Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species, [Variety]): " D ear K ing P hilip C ame O ver F or G ood S oup" is often cited as a non-vulgar method for teaching students to memorize the taxonomic classification of system.

  5. Template:Periodic table (group names) - Wikipedia

    en.wikipedia.org/wiki/Template:Periodic_table...

    See also Group 3 element#Composition. d Group 18, the noble gases, were not discovered at the time of Mendeleev's original table. Later (1902), Mendeleev accepted the evidence for their existence, and they could be placed in a new "group 0", consistently and without breaking the periodic table principle. r Group name as recommended by IUPAC.

  6. List of medical mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_mnemonics

    This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...

  7. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  8. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The Roman numerals used correspond to the last digit of today's naming convention (e.g. the group 4 elements were group IVB, and the group 14 elements were group IVA). In Europe, the lettering was similar, except that "A" was used for groups 1 through 7, and "B" was used for groups 11 through 17. In addition, groups 8, 9 and 10 used to be ...

  9. Mnemonic peg system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_peg_system

    For example, to remember the first 8 digits of Pi, using the major system as well: 3: Picture a monkey walking on the Sun. 1: Picture a dog jumping over a shoe. 4: Picture a bottle of rum hanging from a tree. 1: Picture a tube connecting to a door. 5: Picture bees flying from a cup of lemonade as if it is a hive.