From: Subject: worksheet 5-3a Writing Formulas for Binary Compounds Date: Wed, 19 Aug 2009 11:35:56 -0400 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_001B_01CA20C1.3761BE50" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_001B_01CA20C1.3761BE50 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.fordhamprep.org/gcurran/sho/sho/worksheets/worksht53a.htm worksheet 5-3a Writing Formulas for Binary = Compounds

Science = Help Online=20 Worksheet 5-3a Writing Chemical Formulas for Binary=20 Compounds

 
Section____________________________

This page is designed to help students practice written = problems, and=20 is meant to be printed out.  Hit the print command and show = all work=20 in the spaces provided.

Show the following steps;

Step one - Write the symbols for the = elements in=20 the compound.
Step two - Look up = the=20 oxidation numbers of the elements involved and write them as = superscripts=20 to the right of the elemental symbols.
Step=20 three - Use the correct combination of ions to produce a compound = with a=20 net charge of zero.
Multiple ions are indicated with=20 subscripts.

Name__________________________

Write the correct chemical = formulas for the=20 following:

1.   lithium oxide

 

 

 

 

 

 2.   potassium = chloride
3.   calcium oxide

 

 

 

 

 

 4.   barium=20 bromide

Please forward all questions, comments and criticisms to Gregory L. = Curran.
=A9=20 Copyright 2004 Fordham Preparatory School, All Rights = Reserved.
Last=20 Modified March=20 18,=20 2004

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