All atoms of the element potassium have 19 protons. One of the most stable types of potassium atoms has the mass number 39. How many neutrons make up one of these potassium atoms? 19 20 38 5s

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

technology is the application of the knowledge gained by science.

can u provide the graph and if its not possible

then i can tell u the segment where the

average time interval starts degrading is the segment where the car is slowing down