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  2. Atomic Number: the number of protons in the nucleus (which is the same as the number of electrons in the atom). Symbol: a one or two letter symbol that represents the element. These internationally-used symbols are abbreviations for the common name or the Latin name of the element.
    www.amnh.org/explore/ology/physics/how-to-read-t…
    The symbols in the periodic table represent the different elements. Each symbol consists of one or two letters that are derived from the element’s name in English, Latin, or other languages. For instance, the symbol ‘H’ denotes Hydrogen, while ‘Au’ represents Gold, deriving from its Latin name ‘Aurum’.
    symbolismdesk.com/what-do-the-symbols-mean-i…
    Atomic symbol: The atomic symbol (or element symbol) is an abbreviation chosen to represent an element ("C" for carbon, "H" for hydrogen and "O" for oxygen, etc.). These symbols are used internationally and are sometimes unexpected. For example, the symbol for tungsten is "W" because another name for that element is wolfram.
    www.livescience.com/25300-periodic-table.html
    The periodic table is an arrangement of the elements in order of their atomic numbers, so that elements with similar properties appear in the same vertical column or group. The figure below shows the most commonly used form of the periodic table. Each square shows the chemical symbol of the element along with its name.
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    Periodic table - Wikipedia

    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that … See more

    Each chemical element has a unique atomic number (Z) representing the number of protons in its nucleus. All elements have multiple isotopes, variants with the same number of protons but different numbers of See more

    As chemical reactions involve the valence electrons, elements with similar outer electron configurations may be expected to react similarly and form compounds with similar proportions of elements in them. Such elements are placed in the same group, and thus … See more

    Early history
    In 1817, German physicist Johann Wolfgang Döbereiner began to formulate one of the earliest attempts to classify the elements. In 1829, … See more

    The nucleus and its surrounding electrons
    The smallest constituents of all normal matter are known as atoms. Atoms are extremely small, … See more

    Period 1
    Although the modern periodic table is standard today, the placement of the period 1 elements hydrogen and helium remains an open … See more

    Many terms have been used in the literature to describe sets of elements that behave similarly. The group names alkali metal, alkaline earth metal, triel, tetrel, pnictogen, … See more

    The most recently named elements – nihonium (113), moscovium (115), tennessine (117), and oganesson (118) – completed the … See more

     
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  5. Periodic Table of Elements - PubChem

    WEBInteractive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your …

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    WEBSymbol: a one or two letter symbol that represents the element. These internationally-used symbols are abbreviations for the common name or the Latin name of the element. Name: the element's common name.

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    WEBMay 28, 2024 · Elemental Names and Symbols. Each box on the periodic table represents a single element. An elemental symbol is always included within each box, in order to indicate which element is located in that …

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    WEBScientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in element …

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