What i s the mass number of an isotope? Will all isotopes of the same element ha

Question

What is the mass number of an isotope? Will all isotopes of the same element have the same mass number ? Explain.

8. What two forces are involved in the creation of a nucleus? Describe the characteristics of each force in detail.

9. Which of the following diagrams could be a potential energy diagram (versus separation) for a polonium - 210 nucleus emitting an alpha particle?

10. Which of the diagrams in Q9 shows JUST the electrostatic potential energy curve between the alpha particle and the remainder of the Ponucleus

11. Which of the diagram in Q9 shows JUST the potential energy due to the nuclear force between the alpha particle and the remainder of the Ponucleus

Explanation / Answer

The mass of an atom is discribe to a nucleus, which consists of protons and neutrons. The total number of protons and neutronsin nucles of an atom is called the it's mass number.

      An isotope is a group whose constituents belong to the same chemical element but have different mass numbers.

8- Strong nuclear force holds the nucleus togather.it work in the range of 10^-13m. It is very strong froce and negates the effect of the force of repulsion between the protons and helps bind the nucleus together.

The second force is a electrostatic force of repulstion act between protons due to their similar charge.

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