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  1. You may assume the valences of the chemical elements—the number of electrons with which an atom will bond or form—are those that can be derived by looking at the groups (columns) of the periodic table. While these are the most common valences, the real behavior of electrons is less simple.

    • Table of Element Valences

      These printable periodic tables contain the most common...

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      Printable Periodic Tables This color printable periodic...

  2. 15 kwi 2014 · Sodium, like all the group 1 alkali metals, has one valence electron. Valence electrons are the outermost electrons, and are the ones involved in bonding. Sodium has 11 electrons: its atomic number is 11, so it has 11 protons; atoms are neutral, so this means sodium also has 11 electrons.

  3. 1 wrz 2024 · For main group elements (i.e s-block and p-block elements), the valence electrons are the electrons present in the outermost orbit. But for most of the transition and inner transition elements, the valence electrons are the electrons present in the shells outside the noble gas core.

  4. 18 wrz 2024 · Sodium’s atomic number is 11, which means that its atom has eleven electrons around its nucleus. To write the electron configuration for sodium, the first two electrons enter the 1s orbital. Since the 1s orbital can hold only two electrons the next two enter the 2s orbital. The next six electrons enter the 2p subshell.

  5. The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. In the periodic table, the elements are listed in order of increasing atomic number Z. Electron configuration of Sodium is [Ne] 3s1. Possible oxidation states are -1; +1.

  6. Sodium is the 11th element in the periodic table and has a symbol of Na and atomic number of 11. It has an atomic weight of 22.98977 and a mass number of 23. Sodium has eleven protons and twelve neutrons in its nucleus, and eleven electrons in three shells.

  7. E.g. Oxygen (O) tend to form O 2- anion. Elements in the Group 7 (skipping the transition metals) tend to gain one valence electron, therefore, the common charge for all the elements is 1-. E.g. Fluorine (F) tend to form F - anion. Atoms in Group 4 tend not form ions, therefore it is not possible to form ionic compounds with those elements.

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