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  2. Sokobond - Wikipedia

    en.wikipedia.org/wiki/Sokobond

    Sokobond is a puzzle video game created by Alan Hazelden and Harry Lee. Gameplay involves moving atoms around 2D grids to form chemical compounds. The game was released on Linux, OS X, and Windows in August 2013. It was later released for Nintendo Switch in September 2021, and iOS and Android in May 2022. The game received generally favorable ...

  3. 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 ...

  4. SpaceChem - Wikipedia

    en.wikipedia.org/wiki/SpaceChem

    The team designed puzzles based on general chemistry concepts without envisioning the specific solution that the player would take. [3] They brainstormed a number of puzzles and then eliminated those with similar solutions, and arranged the others into a reasonable learning curve for the game. [5]

  5. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Each chemical element has a unique atomic number (Z— for "Zahl", German for "number") representing the number of protons in its nucleus. [4] Each distinct atomic number therefore corresponds to a class of atom: these classes are called the chemical elements. [5] The chemical elements are what the periodic table classifies and organizes.

  6. Chemical element - Wikipedia

    en.wikipedia.org/wiki/Chemical_element

    A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8, meaning each oxygen atom has 8 protons in its nucleus.

  7. 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.

  8. Element collecting - Wikipedia

    en.wikipedia.org/wiki/Element_collecting

    A set of periodic-table elements, lacking several highly radioactive elements which are impractical or impossible to collect. An assortment of precious metals Hafnium samples for collectors. Element collecting is the hobby of collecting the chemical elements. Many element collectors simply enjoy finding peculiar uses of chemical elements.

  9. Period (periodic table) - Wikipedia

    en.wikipedia.org/wiki/Period_(periodic_table)

    A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, elements in the same group (column) have similar chemical and physical properties, reflecting the periodic law.

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