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What is meant by 3A group …

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What is meant by 3A group of elements in periodic table? Guys plz anyone answer..

    • Posted by Sri Bhava Pragalyaa 5 years, 6 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Yogita Ingle 5 years, 6 months ago

    Group 3A (or IIIA) of the periodic table includes the metalloid boron (B), as well as the metals aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).  Boron forms mostly covalent bonds, while the other elements in Group 3A form mostly ionic bonds.

    The Group 3A metals have three valence electrons in their highest-energy orbitals (<i>ns</i>2<i>p</i>1). They have higher ionization energies than the Group 1A and 2A elements, and are ionized to form a 3+ charges.

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