GK
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Periodic table
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atomic theory
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Bohr diagrams
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Lewis Dot structures
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Detailed explanation-1: -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. Name: the element’s common name.
Detailed explanation-2: -Today, all the first 118 elements are known, completing the first seven rows of the table, but chemical characterisation is still needed for the heaviest elements to confirm that their properties match their positions.
Detailed explanation-3: -The periodic table (also known as the periodic table of elements) is organized so scientists can quickly discern the properties of individual elements such as their mass, electron number, electron configuration and their unique chemical properties.
Detailed explanation-4: -In the typical periodic table, each element is listed by its element symbol and atomic number. For example, “H” denotes hydrogen, “Li” denotes lithium, and so on. Most elements are represented by the first letter or first two letters of their English name, but there are some exceptions.