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  1. the s block is group 1 and 2. the alkali metals are one s electron in the outer shell. the alkaline earth metals are two s in the outer shell. group 3-12 are transition metals and the d block. group number us the sum of the outermost s a d electrons. p...

    1 Answers · Science & Mathematics · 17/09/2011

  2. Nitrate is NO3- where nitrogen is +5 and each O is -2. So, 5 + 3(-2) = -1. PO4 is called phosphate and it has a -3 charge because P is +5 and each O is 2-. 5 + 4(-2) = -3. Same goes...

    1 Answers · Science & Mathematics · 09/07/2010

  3. 1) a. ok b. ok c) ok d) Ge e) ok 2) a. Cl b) ok c) ok d) ok e) Cl (Al is a metal)

    1 Answers · Science & Mathematics · 31/01/2013

  4. The elements in group 4A, especiallly C and Si are at a mid range position regarding electronegativity, so they tend to share electrons instead of donating or accepting electrons, making for covalent...

    1 Answers · Science & Mathematics · 10/06/2010

  5. Group IVA, also known as Group 14.

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

  6. ... 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

  7. ...periodic table rows under IIIA have 3 valence electron, rows under IVA have 4 valence electron......etc.

    2 Answers · Science & Mathematics · 30/03/2013

  8. n-type dopants include phosphorus, arsenic, and antimony, mixed into such elements as silicon, germanium, and tin. Answer: b (since arsenic is in Group VA). p-type dopants include boron and aluminum, mixed into such elements as silicon or...

    4 Answers · Science & Mathematics · 18/03/2010

  9. ...you (except for a few exceptions). IIIA have +3 charges. IVA has +/- 4 Charges. VA has -3 charges, ...

    2 Answers · Science & Mathematics · 31/03/2010

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