write the electronic configuration block period group valency electrons for the following carbon sodium magnesium aluminium neon cobalt phosphorus
Answers
Answer:xplanation: Elements that are in the same period have the same energy (or close to the same energy) levels of their outermost valance electrons. ... Both Sodium and Magnesium have their outermost valance electrons in the same third period
Explanation:
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By the end of this section, you will be able to:
By the end of this section, you will be able to:Derive the predicted ground-state electron configurations of atoms
By the end of this section, you will be able to:Derive the predicted ground-state electron configurations of atomsIdentify and explain exceptions to predicted electron configurations for atoms and ions
By the end of this section, you will be able to:Derive the predicted ground-state electron configurations of atomsIdentify and explain exceptions to predicted electron configurations for atoms and ionsRelate electron configurations to element classifications in the periodic table
By the end of this section, you will be able to:Derive the predicted ground-state electron configurations of atomsIdentify and explain exceptions to predicted electron configurations for atoms and ionsRelate electron configurations to element classifications in the periodic tableHaving introduced the basics of atomic structure and quantum mechanics, we can use our understanding of quantum numbers to determine how atomic orbitals relate to one another. This allows us to determine which orbitals are occupied by electrons in each atom. The specific arrangement of electrons in orbitals of an atom determines many of the chemical properties of that atom.
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