How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C3H70?
5 (6.02 x 1023)
35 x (6.02 x 1023)

c. 75.7

i think that is the right

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

a is the correct answer

answer; 4 electrons;