Isotopes of an element have the same atomic number but different mass numbers (The mass number represents the sum of the number of protons and neutrons of an element.).
Therefore, The correct option is (c) different number of neutrons.
(i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)
A driver of a car travelling at \(52\) \(km \;h^{–1}\) applies the brakes Shade the area on the graph that represents the distance travelled by the car during the period.
Which part of the graph represents uniform motion of the car?