Which process creates heat, light and energy inside of stars? O A. Fission O B. Fusion O C. Half life O D. Radioactive Decay

Q: The discovery that uranium emitted invisible rays was made accidentally. O True O False

A: The answer is given as follows Uranium was discovered in 1789 by Martin Klaproth, a German chemist,…

Q: Which of the following particles has the greatest electric charge?     A. positron   B.…

A: Given are , nuclear particles.

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

A: Both the α and β rays are deflected by electric and magnetic fields and the nature of such…

Q: What is the nuclear chage ofF 69

A: Nuclear charge is defined as the charge present in the nucleus of the atom. The nuclide given is…

Q: 13. Which of the following statements is TRUE? a. Alpha particles have the lowest penetrating power…

A:

Q: Fusion reactions are often called amounts of thermal energy required for the reaction to occur. a.…

A: 3. Thermonuclear reaction, fusion of two light atomic nuclei into a single heavier nucleus by a…

Q: When an electron moved from .6 low level energy to high level ,energy Emitted radiation Absorbed…

A: Solution :      Electron emission is the process of the escape of an electron from the surface by…

Q: Calculate the amount of radioactivesubstance remaining after a specifiedtime has elapsed.

A: Given information,    The amount of radioactive substance remaining after a specified time has…

Q: Which of the following elements would you predict to be radioactive?   Select one or more: a.…

A: Radioactive elements have unstable and having unstable nuclei. All the the elements above the atomic…

Q: For the reaction, 3^7 Li (n)4^8 Be, the bombarding particle is, A. proton B. tritium C. positron D.…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: 3. In your own world, describe what "half-life" means.

A: It can be simply defined as what time taken for the substance to become its half (by mass,by…

Q: In the context of the ionizing and penetrating power of radiation, penetrate into the skin but…

A: Alpha particles generally are least penetrating than beta , radiowaves and gamma rays .

Q: 1. Fill in the blanks with the MAJOR organic product in the following electrophilic aromatic…

A: Since you have posted multiple subpart questions, the answer for first three subpart question is…

Q: Which particle, if lost from the nucleus, will not result in a change in the atomic mass number?

A: Which particle, if lost from the nucleus, will not result in a change in the atomic mass number?

Q: Explain the meaning of half-life.

A: Radioactivity: It is the phenomenon of decaying, in which there will be the loss of energy of an…

Q: Isotope 239Pu Half-life (years) 24,100 Initial Quantity g Amount After 4000 Years 2.6 g

A:

Q: Which of these pertains to the process by which elements are formed within stars? A. Star formation…

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: When element 82 undergoes 4 alpha decays and three gamma decays, the new element is     A. 90…

A: When alpha decay occurs then atomic number decreases by 2 and mass number by 4. In case of gamma…

Q: *The exact value of the critical mass depends on the shape of the radioactive substance. True or…

A: Critical mass of radioactive substance is the smallest amount of substance that is required to…

Q: You buy a thin suit made of lead to protect yourself from radiation if we have a nuclear war. Your…

A: The penetrating power is the energy required to eject the radiation particles from an atom. When the…

Q: What is Radiation?

A: Electromagnetic radiations Electromagnetic radiations are the collection of different forms of…

Q: Chemical Elements are generated via: O Nuclear fission O Nuclear fusion O In cores of the Stars O…

A: Chemical elements are generated via-Nuclear Fusion.In core of stars.Bboth nuclear fusion (option b)…

Q: Describe what changes occur during gamma radiation. A. The mass number is unchanged and the atomic…

A:

Q: There is a safe level of radioactive carbon dioxide on earth and inside your body because of:  a.…

A: As the carbon-14 founds in the upper earth atmosphere and created when neutrons originating from…

Q: Discuss how radioactive atoms gain stability.

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

Q: Predict the likely type of radioactive decay for each isotope below. Explain. a. 24Ne b. 119Sb C.…

A: As per rule we will solve first three sub-parts of the question. Kindly repost other parts as a…

Q: Which of the following processes has no impact on the atomic number? A. alpha 15. B. beta C. gamma…

A: A)Alpha decay- Radioactive decay in which an atomic nucleus transforms into a different nucleus by…

Q: An atom of 120ln has a mass of 119.907890 amu. mass of1H atom 1.007825 amu mass of a neutron =…

A: As we know, mass defect , ∆m is  ∆m = {Z.mp  + Z.me +  (A-Z)mn} – M ∆m = {Z( mH ) +  (A-Z)mn} – M…

Q: ____15. All elements with an atomic number greater than ________ have big nucleus and have the…

A: Answer are as follows

Q: 3 Which pair of symbols represents nuclei with the same number of neutrons? 56Co and 58CO S7Mn and…

A: Given element are Element Atomic number (From periodic table) Co 27 Fe 26 Ni 28 Mn 25…

Q: Solve the following problems and show complete solution. A. Half life of Sr90 is 29 years. What…

A: A.     Half life of Sr-90 ( t1/2) = 29 y           Let ' t '    =  100 y       n × t1/2   =  t…

Q: When two hydrogen atoms combine to form a helium atom and release energy it is called: O A. Fission…

A: Given Reactant 2 Hydrogen Product Helium

Q: What is a gamma-ray?

A: Isotopes are those elements which have same atomic number but different mass numbers. There are many…

Q: What daughter nucleus is produced when a 5526Fe nucleus undergoes electron capture? a. 5527Co b.…

A: Electron Capture (K-capture): In this process, an electron is absorbed from the K-shell and forms a…

Q: What type of emission or decay would occur under the following conditions: Nucleus is too big…

A:

Q: nuclear fusion breeder reactor mass spectrometer chain reaction critical mass nuclear fission…

A: There are some important nuclear activities are given and there corresponding processes have to be…

Q: Why are alpha rays much more dangerous when the source of radiation is located inside the body?

A: The alpha rays have two protons and two neutrons and resemble the nucleus of helium. They are…

Q: which has more penetrating power - alpha rays or beta rays?

A: Penetrating power:Each type of radiation has a different ability to penetrate materials. The…

Q: Element 46 undergoes 4 alpha decays to become element   A. 50   B. 40   C. 38   D. 46   E.…

A: Here, we have to find the element that will be formed when element 46 undergoes 4 alpha decays.

Q: 8.What happens during nuclear fusion? One answer only A.The nucleus of a large atom splits into…

A: Nuclear fusion is reaction in which two or more atomic nuclei combine to form new atomic nuclei  and…

Q: The radioactive carbon is known as:  a. Carbon 12 b. Carbon 14 c. Carbon 13 d. Carbon 15 *This…

A: Isotopes are the elements which have same atomic number but different mass number. Radioactive…

Q: When Li-7 is bombarded with a proton, two alpha particles are released along with energy. It turns…

A: Given:

Q: Which of the following would have the least penetrating power into matter? a. alpha particles b.…

A: Penetrating power of any particle depends on the size and the mass of the particle. More is the size…

Q: After any nuclear decay, the remaining nucleus   A. is in a lower energy state   B. has a…

A:

Q: beta decay

A: C. The mass number is unchanged and the atomic number increases.