A is used to move a liquid or a gas in large volumes that would not be possible when using atmospheric pressure alone.

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

How are elements arranged in a periodic table

How are isotopes of the same chemical element alike? how are they different?