Please help! To what family of the periodic table is this element most likely to belong to?

A hypothetical element, X, has the following ionization values: First ionization energy: 800 kJ/mol

Second ionization energy: 2450 kJ/mol

Third ionization energy: 3700 kJ/mol

Fourth ionization energy: 25,000 kJ/mol

Fifth ionization energy: 32,800 kJ/mol.

To what family of the periodic table is this element most likely to belong to?

a) Group IA

b) Group IIA

c) Group IIIA

d) Group IVA

e) Group VA

2 Answers

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  • Fred
    Lv 7
    7 years ago
    Favorite Answer

    Group 1A because the first electron requires only 800 Kj of energy per mole yet the next electron requires a large jump to 2450 Kj, so you are breaking into a stable octet of electrons just below the outer energy level.

  • 7 years ago

    Group IIIA.

    The element in this case is boron.

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