The stability of an atom depends on the ratio of its protons to its neutrons, as well as on whether it contains a “magic number” of neutrons or protons that would represent closed and filled quantum shells. These quantum shells correspond to energy levels within the shell model of the nucleus.

The strong nuclear force is sometimes referred to as just the strong force or the strong interaction. This force is strong enough that it overcomes the repulsive force between the two positively charged protons, allowing protons and neutrons to stick together in an unimaginably small space.

The least stable nucleus is Fe. The nuclei with the maximum binding energy are the most stable e.g Carbon. A stable atom has enough binding energy to hold the nucleus together permanently. An unstable atom does not have enough binding energy to hold the nucleus together permanently and is called a radioactive atom.

Nuclides containing even numbers of both protons and neutrons are most stable and this means less radioactive. than nuclides containing even numbers of protons and odd numbers of neutrons. In general, nuclear stability is greater for nuclides containing even numbers of protons and neutrons or both.

Nuclei with magic numbers of both protons and neutrons are said to be “doubly magic” and are even more stable. Examples of elements with doubly magic nuclei are 42He, with 2 protons and 2 neutrons, and 20882Pb, with 82 protons and 126 neutrons, which is the heaviest known stable isotope of any element.

According to the binding energy per nucleon vs mass number graph, it is observed that iron-56 has the maximum value of binding energy per nucleon (8.75 MeV). It means that iron-56 is the most efficiently bound nucleus meaning that it has the least average mass per nucleon.

Answer/Explanation Answer: Explaination: The larger the binding energy per nucleon, the more stable is the nucleus.

The strong nuclear force. At extremely short range, it is stronger than electrostatic repulsion, and allows protons to stick together in a nucleus even though their charges repel each other.

Positrons are emitted in the positive beta decay of proton-rich (neutron-deficient) radioactive nuclei and are formed in pair production, in which the energy of a gamma ray in the field of a nucleus is converted into an electron-positron pair. discovered the particle called the positron.

neutron particles

Commonly used moderators include regular, solid graphite, heavy water, Beryllium, Hydrocarbons. Among the options given, Boron is the element which is not used as a moderator.

If the number of fissions in one generation is equal to the number of neutrons in the preceding generation, the system is said to be critical; if the number is greater than one, it is supercritical; and if it is less than one, it is subcritical.

about 4.5 billion years

A hydrogen bomb is based on the principle of uncontrollable nuclear fusion. Nuclear fusion is the process where the nuclei of two light atoms combine to form a new nucleus.

The atom bomb , also known as atomic bomb or fission bomb is an explosive device that derives its destructive force from the fission of heavy elements. Typical fuel for the fission reaction within the bomb is either uranium or plutarium.

In both cases, a significant amount of energy is released, which drives the explosion, experts say. However, more energy is released during the fusion process, which causes a bigger blast.

‘Mother of All Bombs’/GBU-43/B Massive Ordnance Air Blast. Length: 9 m (30 ft.) Diameter: 1 m (3.4 ft.) Weight: 10,300 kg (22,600 lb.)

Two teeny tiny particles can theoretically collide to create a “quarksplosion” with eight times more energy than the reaction that powers hydrogen bombs, according to a new paper published in the journal Nature.

The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August 1945, respectively.

The city which was not even on the initial list of targets on the bombing order was chosen because of bad weather over the second target of Kokura city – which prevented the pilots from dropping the bomb on 9 August.

The third atomic bomb: Tokyo, 19 August 1945 – Airminded.

Kyoto was on the list of targets for the atomic bomb but was removed at the insistence of Secretary of War Henry L. Stimson. Kyoto was selected as a target by the Targeting Committee on May 11, 1945.

The U.S. likely did not target Tokyo for the atomic bomb strikes as it was the seat of the Emperor and the location of much of the high ranking military officers. These are precisely the people you do not want to kill if you want to negotiate a surrender, as they are the people you would be negotiating with.

A war of resistance in which it has been estimated that the United States would have lost a million men, or more, killed and wounded. A war in which millions of Japanese civilians would have been enlisted or conscripted to fight and to die.

The explicit reason was to swiftly end the war with Japan. But it was also intended to send a message to the Soviets. Ever since America dropped a second atomic bomb on Nagasaki, Japan on August 9, 1945, the question has persisted: Was that magnitude of death and destruction really needed to end World War II?