How many neutrons are in the nucleus of a atom with an atomic number of 25 i want an honest answer

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Which describes increasing the efficiency of energy resource

Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).