Which begins as chemical energy and can be transformed into electricity?

a.
coal

b.
water

c.
sunlight

d.
wind

How manyatoms of mercury are in 1.4214e+1 ml sample

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?