The mass number goes on top, and the atomic number goes on bottom.
Therefore, the answer is C:
40
K
19
In the column have the same electrons on the outer shell. Which the outer shell electrons are call valence electrons.
To shorten it, i would say that Kinetic energy is determined by the speed and mass of an object
Answer:
Directly proportional.
Explanation:
Directly proportional to it's absolute temperature.