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  1. ...truly ionic charges, so be careful. 7. Elements in Groups IVA and VA do not become ions; again the charts will show formal...

    2 Answers · Science & Mathematics · 18/10/2006

  2. Germanium tetrafluoride. Since Ge is belong to group 14 (or IVA), its lewis strucutre similar with CH4. So its molecular geometry must be tetrahedral and bond angles ~109o (nonpolar)

    2 Answers · Science & Mathematics · 05/01/2011

  3. There are two group 4's (A & B) IVA: C, Si, Ge, Sn, and Pb IVB: Ti, Zr, Hf, and Rf

    2 Answers · Science & Mathematics · 10/09/2008

  4. ...make it equal zero. In the first you have silicon, which is group IVA. That means its oxidation number will be +4. So...

    3 Answers · Science & Mathematics · 04/02/2007

  5. ...post-transition metals occupy parts of groups IIIA, IVA, VA, and VIA, and includes such metals as aluminum, tin...

    2 Answers · Science & Mathematics · 12/06/2011

  6. There may be many answers: 1. Heavy metals. 2. Group IVA. (periodic table) 3. Group 14 (periodic table)

    5 Answers · Science & Mathematics · 08/10/2006

  7. ...it. Elements of main groups 1A to 4A (IA to IVA in Roman numerals) have the same valency as their group ...

    6 Answers · Science & Mathematics · 12/08/2011

  8. ... equal to the number of the column. if the column is IVA - VIIA then you add electrons equal to the number that would...

    3 Answers · Science & Mathematics · 05/12/2007

  9. ...of group IIIA elements increases the conductivity of group IVA semiconductors by increasing the number of holes...

    2 Answers · Science & Mathematics · 21/11/2013

  10. ... Table, I REFER TO IIIA AND IVA GROUPs. CHEMICAL ELEMENTs BELONGING TO...

    2 Answers · Science & Mathematics · 25/05/2009

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