3. during this lesson, you observed a chemical reaction between ammonium hydroxide and iron acetate. describe the properties of the products and of the reactant.

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.