can someone please help me with my chemistry cant understand?

Yelena

New member
http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/reaction/bonding1.html

Write answers to the following questions in the text box below.

1. What is the chemical formula when ions of magnesium (Mg+2) and chlorine (Cl-1) combine?

2. What is the chemical formula for the reaction between sodium and oxygen?

3. What is the chemical formula for the reaction between potassium and phosphorous

4. The elements on the left side of the Periodic Table are called cations and therefore are (positive or negative)?

5. All the elements in Group (column) 17 have what ionic charge?


please help me with these!!!
 
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