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New York State Chemistry Regents June 2008
Chemistry Regents June 2008 - Question 02 PDF Print E-mail
Written by The Chemistry Wizard   
chemjun08q (02)
(2) 19 is the correct answer.

The atomic number of Potassium (K) is 19, which means that it has 19 electrons and protons.
 
Chemistry Regents June 2008 - Question 01 PDF Print E-mail
Written by The Chemistry Wizard   

chemjun08q (01)

(2) fluorine is the correct answer.
An element in group VIIA will have seven valence electrons.  You can find this column, the second from the right side of the periodic table.  Fluorine (Fl) is the only element located in this column.

Last Updated on Friday, 06 March 2009 07:39
 


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