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  1. ... become positively charged i.e., cations. b) Group IVA, VA, VIA and VIIA consist of non-metals of normal ...

    1 Answers · Science & Mathematics · 28/04/2010

  2. The choices are not very good. Group 14, or group IVA, contains C, Si, Ge, Sn and Pb. ...

    3 Answers · Science & Mathematics · 29/03/2009

  3. If carbon is to form an anion, it is in Group IVA and has 4 valence electrons. To complete its octet, it...

    3 Answers · Science & Mathematics · 20/06/2008

  4. On top of the periodic table, you see IA, IIA, IIIA, IVA, that's the American old system of group number for representative...

    5 Answers · Science & Mathematics · 26/02/2008

  5. Group IVA, also known as Group 14.

    1 Answers · Science & Mathematics · 09/06/2010

  6. ... are NO ions of elements in groups IVA and VA, but they do have a variety of oxidation numbers. The...

    4 Answers · Science & Mathematics · 21/12/2010

  7. ... with other atoms to form three covalent bonds. 4. Group IVA elements all have 4 valence electrons: e.g. Carbon ...

    3 Answers · Science & Mathematics · 10/12/2007

  8. SnF4 is stannic fluoride. Sn has two oxidation numbers : 4 and + 2 In the first case Sn +4 and F -1 ==> SnF4 stannic fluoride In the second case Sn +2 and F -1 ==> SnF2 : stannous...

    5 Answers · Science & Mathematics · 14/10/2007

  9. ... - germanium can form 4 bonds since it is in Group IVA. AlH3 - aluminum is 3+ and hydrogen is 1- in this hyride. Al...

    1 Answers · Science & Mathematics · 24/02/2011

  10. ...and you will notice at the top there is a IA, IIA, IIIA, IVA, VA, VIA, VIIA, and VIIIA. The roman numeral...

    2 Answers · Science & Mathematics · 30/10/2008

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