It’s represented by a decimal number below the cell. Ionization number- indicates the amount of energy required to remove an electron from the element.Atomic mass- a decimal number directly below the symbol.S-block – entails helium, hydrogen, alkali metals, and alkaline earth metals.į-block – normally placed below the table, this block presents the lanthanides and actinides series of metallic elements.Ĭells – these important components of a periodic table can entail various pieces of information, including the element’s atomic number and the one or two-letter atomic symbol, representing the element’s Latin name e.g “No” for “Nobelium.” Other information may include: Additionally, there are four blocks, each containing different groups Nevertheless, elements with identical chemical characteristics are assigned a group name and, sometimes, given the same color. Columns and rows are known as “Groups” and “Periods”, respectively. It is important to note that periodic tables are split into cells with each cell representing an element.
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