Chemistry, 03.03.2021 18:50 tommyaberman
An Atom X has two electrons on its last shell and whose atomic number is Z <20: Write the different possible electronic configurations of X. Knowing that "X" belongs to line 3: 6.2.1- Determine its atomic number. 6.2.2- Identify the column to which X belongs. 6.1- 6.2.3- Specify the nature of X (metal or non-metal).
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An Atom X has two electrons on its last shell and whose atomic number is Z <20: Write the differe...
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