Where on the track does the cart have most height?

position a

position b

position c

position d

where on the track is the most potential energy?

position a

position b

position c

position d

where does the cart have the most velocity(speed)?

position a

position b

position c

position d

where on the track is the most kinetic energy?

position a

position b

position c

position d

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  

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

b) nuclear ive learned that in a pedtrodic table