A kickball rolling across the field.

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

2. how is heavy water different from normal water

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.