The number of protons never changes in an atom. More electrons means a negative charge and fewer means a positive charge. Once an atom has an electrical charge it is called an ion. In an ion the atomic number and atomic mass do not change from the original.
To shorten it, i would say that Kinetic energy is determined by the speed and mass of an object
The gravitational interaction between the earth and the moon
Answer:
Aluminum atomic number= 13
electron configuration = 2, 8 , 3
Hope it helps...........
