What are atoms? a. tiny particles that make up all matter
b. tiny particles that can only be seen with a microscope
c. tiny particles that look like gnats
d. particles that are so large they cannot be seen

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

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

What was the procedure by which case united states vs lopez went to court