Answer:
i believe it is lithium cause its is used for batteries and potassium is in like foods right? lmk if im wrong
and potassium helps to protect from radiation
Explanation:
Physical is something you can feel chemical is like a gas
This indicates that the reaction is exothermic meaning that it releases heat/energy
<span>Get a periodic table of elements. ...Find your element on the periodic table. ...Locate the element's atomic number. ...Determine the number of electrons. ...Look for the atomic mass of the element. ...<span>Subtract the atomic number from the atomic mass.</span></span>
It should be potential energy!!!