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6.1 Combining Ions STUDENT EXERCISE - Use Lewis Structure (as in your notes/classwork) to determine the
chemical formula for the following combination of atoms. One example is done for you.
1) First draw the Lewis Structure of the atoms (only + and – can combine)
2) Show the electron transfer. The final structure should include atoms with full outer shells.
3) Add anions or cations so all valence electrons have a place to go. (See examples below )
4) Write the Chemical Formula
Combining Sodium and Sulfur
Combining Calcium and Chlorine
Notice that 2 sodiums are needed to supply the
electrons that S needs.
Notice that 2 chlorines are needed to take the electrons
that Ca has to give away.
1.) Determine the structure of the combination of Na and Cl.
2.) Determine the structure of the combination of Na and S.
3.) Determine the structure of the combination of Mg and Cl. (See your notes for the combination
between Calcium and Chlorine)
4.) Determine the structure of the combination of Ca and F.
5.) Determine the structure of the combination of Li and O.
6.) Determine the structure of the combination of Al and Cl
7.) Determine the structure of the combination of Al and Ne. (There is a reason you are given such a small
space here. Explain.)
8.) Determine the structure of the combination of Na and Li. (There is a reason you are given such a small
space here. Explain.)
9.) Determine the structure of the combination of B and P.
10.)
Determine the structure of the combination of Al and O.
Reference: http://www.geo.arizona.edu/xtal/geos306/fall13-3.htm
http://www.meta-synthesis.com/webbook/30_timeline/timeline.html