Solving the problem of number 30 in Chemistry, IA Press, 2007 SZTU

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Solving the problem of number 30 in chemistry training complex, IA Press, 2007 SZTU.
Control tasks.
2. Subject of the Periodic Table MENDELEEV
Terms problem number 30:
Based on the position of the chemical element (index specify from Table. 2) in the periodic system of Mendeleev and his formula E make a forecast of its chemical properties, and the properties of its compounds by answering the following questions:
In which period the group and subgroup is the element in the periodic system of Mendeleev?
Specify the correspondence between the position of the element in the periodic system of Mendeleev and his e-formula (number of the external level, the total number of valence electrons, the nature of their distribution orbitals).
Which e family includes this item? Describe the valence states of atoms of a given element in the ground and excited states by electron-graphic formulas.
What are the maximum and minimum oxidation state of atoms of this element?
What is the formula of highest oxide and hydroxide corresponding to this item?

* Table №2 omitted.

Additional information

The task was checked by teachers of the department of physics of the North-West State Technical University (SZTU).
The solution is presented in the form of scanned manuscript with clear handwriting.

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