I believe the answer is free electrons
<span>The mass of potassium is 39. This is obtained by adding the 19 protons and 20 neutrons found inside the nucleus</span>
Phytophotodermatitis happens when certain plant chemicals cause the skin to become inflamed following exposure to sunlight.
Protons
electrons are negatively charged
neutrons are neutral
Answer:
A final velocity that is faster than an initial velocity.
Explanation:
The acceleration of an object is given by :
Where
v is final velocity and u is initial velocity
t is time taken
If the final velocity is more than the initial velocity, the acceleration is positive. So, the correct option is (a).