Explain what part of an atom undergoes change during radioactive decay.

Q: What is radioactive decay and give one example of a radioactive atom used in medicine?

A: Radioactive decay:It is known as the process by which an unstable atomic nucleus loses its energy by…

Q: What are Radioactive Isotopes ?

A: The term isotope is defined as two or more form of the same element which differs in the number of…

Q: What is the primary factor that determines whether an nucleus is stable or unstable?

A: The nucleus is the small region that lies at the center of an atom. It is discovered in 1911 by…

Q: Why are some atoms radioactive?

A: The radioactive nuclei are unstable and have an excess number of either protons or neutrons in the…

Q: How does an alpha particle differ from a helium atom?

A: Alpha particle are differed from a helium atom.

Q: What is another method to track the extent of isotopic decay.

A: Given: Extent of isotopic decay To find: Method that is used to track isotopic decay.  Solution:…

Q: nuclear

A:

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation.…

A: Alpha particle is a helium nucleus.  When a nucleus emits alpha particles, it undergoes decrease in…

Q: During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

Q: Explain what must occur before a radioactive atom stopsto undergo further radioactive decay.

A: Radioactivity is the phenomenon of spontaneous emission of certain active rays by certain nuclides.…

Q: Discuss the idea of radioactive neutron source giving some examples.

A: answer- Neutrons may be emitted from nuclear fusion or nuclear fission, or from other nuclear…

Q: Characterize alpha, beta, and gamma radiation in terms of mass and charge.

A: Radioactive elements consist unstable nuclei which on striking with an electromagnetic radiation…

Q: radioactive

A:

Q: What is the chart of the nuclides and why is it used?

A: Nuclides: The representation of elements with their mass number (A) and atomic number (Z) is called…

Q: For a beta (β) particle, give the number of protons:  neutrons: electrons:

A: Answer  Beta particle have -1 charge and same as the electron

Q: During radioactive decay, how many types of rays can be emitted? Three One Two No rays are emitted…

A: The Radioactive decay is the spontaneous process in nuclear process . In this atomic nucleus is…

Q: nuclear decay

A:

Q: stable

A: Hydrogen consists of three isoptopes namely protium, deuterium and tritium. Protium consists of one…

Q: Discuss how radioactive atoms gain stability.

A: Radioactivity is the phenomenon by which a radioactive substance undergoes a decay process by…

Q: Which of these families has only radioactive elements? * > ><

A:

Q: How is energy released from uranium atoms?

A: All nuclear power plants use nuclear fission, and most nuclear power plants use uranium atoms.

Q: which radioactive process produces X-ray?

A: Radioactive process:The radioactive decay is the process in which an unstable nucleus loses energy…

Q: What caused the deflection of the alpha particles in Rutherford’s gold foil experiment?

A: What caused the deflection of the alpha particles in Rutherford’s gold foil experiment?

Q: What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60?

A: The atomic number of copper is 29 and the mass number of radioactive isotope of copper is given as…

Q: What is the nuclear symbol for a proton

A: In the nuclear notation for the element, it is given as:         X: Element Z: Atomic Number =…

Q: What is the universal symbol for radioactive materials and radioactive waste?

A: Radioactive substances are very hazardous substances.  So they have to be handled properly at all…

Q: A nucleus Radon-222 decays by alpha emission, forming nucleus A. Nucleus A also decays by alpha…

A: The alpha emission of Radon-222 forming nucleus A is given by  Hence A is 21884Po

Q: Of the particles below which one, if lost from the nucleus, changes the atomic mass the greatest? O…

A: The particles are defined as follows --- Proton: The symbolic expression of proton is H11 which has…

Q: Explain how energy loss and nuclear stability are related to radioactive decay.

A: The relation between energy loss and nuclear stability is related to radioactive decay has to be…

Q: How do you compare the size of an atom to the size of its nucleus (make numerical comparison)?

A: An atom is composed of nucleus and extranuclear portion. Nucleus contains protons and neutrons while…

Q: Why does Sodium (Na) have fewer stable isotopes than Magnesium (Mg)?

A: The stable isotopes of an element depend on n/p ratio, if n/p close to 1 then it is likely to be…

Q: What is the difference between a radioactive isotope and a stable isotope? What is the history of…

A:

Q: Positron emission by Co-55 produces an isotope with what atomic number?

A: We have Co-55 , we have to predict the atomic number ,after the positron emission .

Q: Finish the equation showing the alpha decay of Radium.

A: We have to given the complete equation of alpha decay of Rn and beta decay of Carbon

Q: What is the estimated amount of radioactive material released into the environment, and in what form…

A: Although some uranium oxide was released into the atmosphere, it isn't very volatile. About six tons…

Q: During Alpha decay what is happening to the nucleus in order to try and stabilize the atom?

A: Alpha particle is nothing but Helium (He) atom. It represents 2He4 it contains two protons and two…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 1150 Sn. Determine its mass defect in kilograms if its atomic…

A:

Q: mass number of 319 possesses _____________ nucleons.

A: Number of Neutrons(N) = 137 Mass number(A) = 319 So, Number of protons(P) = A - N  = 319 - 137 = 182

Q: Which type of radioactive decay will decrease the atomic number by one and release two subatomic…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

Q: For an alpha (α) particle, give the number of protons:  neutrons:  electrons:

A: Answer:- This question is answered by using the simple concept of calculation of number of protons,…

Q: What are Cathode rays?

A: Given information,      Cathode rays

Q: What is the mass number of a single nucleus formed when sulfur 30 and beryllium 8 fused together?…

A: Correct answer is (a) 38 S1630  + Be48  →  Ca2038  + γ-rays  Mass balance: 30 + 8 = 38. ( When alpha…