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  1. ...) - up to 8 for Os IB -- 1 IIB -- 2 IIIA -- 3 IVA -- 4 VA -- 5 VIA -- 6 VIIA -- 7 VIIIA - 8 (inert...

    3 Answers · Science & Mathematics · 22/06/2008

  2. ... four higher than the noble gas at 36 (Krypton) so it must be IVA.

    3 Answers · Science & Mathematics · 23/09/2006

  3. ...) - up to 8 for Os IB -- 1 IIB -- 2 IIIA -- 3 IVA -- 4 VA -- 5 VIA -- 6 VIIA -- 7 VIIIA - 8 (inert...

    4 Answers · Science & Mathematics · 17/06/2008

  4. ...and Tl+ is common, whereas Tl3+ is not. In group IVA, Sn(II) and Pb(II) are the more common oxidation...

    3 Answers · Science & Mathematics · 06/01/2007

  5. ... A is numbered IA, IIA, IIIA IVA the number that is displayed like this above the column is...

    3 Answers · Science & Mathematics · 16/06/2008

  6. ... means that X and Y have 4 valences >> group IVA ( C , Si, Ge , Sn, Pb) X has highter...

    1 Answers · Science & Mathematics · 30/05/2007

  7. ... in Group IIIA form a +3 ion. In Group IVA, it depends on the reaction. It is either a +4 charge or a -4...

    2 Answers · Science & Mathematics · 12/11/2009

  8. ...don't think there is any metalloid element in group four (If it's IVA then Silicone and germanium) 4. calcium 5. iodine 6. Silicone 7...

    7 Answers · Science & Mathematics · 14/05/2008

  9. ..., Ni ==> +2, +3 Cu ==> +1, +2 Zn ==> +2 IVA metals are +2, +4 VA metals are +2, +5...

    2 Answers · Science & Mathematics · 24/03/2009

  10. ... means that X and Y have 4 valences >> group IVA X has higter ionization energies so X is over...

    2 Answers · Science & Mathematics · 14/06/2007

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