Which of the statements are true of nuclear reactions? a. The number and types of atoms are the same in the products and the reactants.  b. Different isotopes of the same element behave similarly. c. New elements are often formed. d. Only the valence electrons are involved.

Q: How does nuclear fission differ from nuclear fusion? Why are both of these processes exothermic?

A: Nuclear fission differ from nuclear fusion and  both of these processes are exothermic or not need…

Q: understanding

A: Dear student I have given answer to your question in the image format.

Q: what are positrons? what is their atomic mass and charge?

A: Positron also known as the positive electron, it is positively charged subatomic particle having the…

Q: Element 107 was synthesized by bombarding bismuth-209 with chromium-54. Use nuclear symbols to write…

A: Given that, Bombardment of Bismuth-209 and Chromium-54 gives a element 107 and a neutron.

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: 17.write describing the mass number ,charge and penetrating ability of alpha particles

A: Alpha particle : Alpha particles  are  consist two protons and two neutrons. Since He atom consist…

Q: Enter the identity of the missing particle showing mass balance for the following nuclear decay…

A: Since you are asked for multiple questions, we are entitled to solve one only.

Q: 20. If a nucleus needs to decrease its neutrons and add a proton to become more stable, which type…

A:

Q: Why do alpha particles sometimes deflect off a sheet of gold foil? O They can't penetrate the…

A:

Q: Complete the following nuclear equations.  Write the mass number, atomic number, and symbol for the…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: Using the diagrams below, label the nuclear process as alpha, beta, or gamma radiation. Explain how…

A: The given reaction is : P82214b→B83214i + e-10

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

A: Mass of one neutron = 1.0073 amu  Mass of one proton = 1.0087 amu  50Sn117 has 50 no. of protons and…

Q: The mass defect for a argon-40 nucleus is -0.369119 g/mol. Calculate the atomic mass (in u) of…

A: Mass defect of an element can be determined by the formula,  ∆m=Zmp+me+A-Z×mn-matom

Q: Factors determining nuclear stability Answer Bank physical state of the element pressure on the…

A: Answer given as follows

Q: B) Draw a diagram of this radiation going through paper, aluminum, and lead.

A: When Bismuth-206 undergoes alpha decay, it will generate alpha particles. Alpha particles are…

Q: Uranium – 237 undergoes beta emission. Circle the correct resultant nucleus:

A: A beta particle is denoted by: -1   0e

Q: protons and neutrons in a nuclear change is correct? a-The number of protons in the number of…

A: In balanced nuclear reaction,  Number of protons and mass number in reactant side is equal to number…

Q: 6. If a nucleus is too large, which type of particle will it most likely emit? O positron O beta…

A: The correct answer is given below

Q: particles. How many alpha particles are emitted each second by a 3.96-g sample of 241Am? particles

A: We have to first calculate the decay constant for the process. As we know radioactive decay is first…

Q: Bismuth-206 is a radioactive isotope that undergoes alpha decay. Bi A) Write out a balanced equation…

A: A) In alpha decay atomic no decreases by 2 and mass no. decreases by 4. The alpha decay of Bi-206 is…

Q: What is a gamma ray? What happens to the mass number and atomic number of a nuclide that emits a…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: sequence of the unstable radioactive nucleus lead-212 can decay into a stable nucleus

A: If lead-212(Pb-212) undergoes two consecutive beta decay and then one alpha decay , it will lead…

Q: Which do you think would incur higher health risks: an amount of radioactive material with a short…

A: Radioisotopes with short half-lives are dangerous because that they can dose very heavily in a short…

Q: Boron-10 is able to absorb neutrons and is therefore used in control rods in nuclear reactors. After…

A: Radioactive decay refers to the breakdown of an unstable nucleus to a stable nucleus with the…

Q: . An unstable isotope that lies under the stability curve of the nucleus will emit.... a.…

A:

Q: Briefly explain (use equations if possible) processes alpha decay(a), beta decay (B-) and…

A:

Q: alpha emission is

A:

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What…

A: The atomic number and mass number remains the same during chemical reaction that is when reactant…

Q: Using the diagrams below, label the nuclear process as alpha, beta, or gamma radiation. Explain how…

A: We will identify the nuclear reaction

Q: b- The radioactive nucleus Ra has a half-life of approximately 1.6 103 yr. Given that the Solar…

A: Radioactivity is basically a first-order reaction. A first-order reaction means the rat of the…

Q: What are the types of radiation emitted by the nuclei of radioactive elements? A) Helium nuclei B)…

A:

Q: The following nuclear reaction: a) Exothermic b) endoergic C) increascs atomie number d) decreases…

A: Any particular chemical reaction which includes atoms' nucleus change is nuclear reaction. The…

Q: Half-Life 1189 years Decay Rate, k Complete the table shown to the right for the half-life of a…

A: Given, Half life = 1189 years Decay rate, k = ?

Q: 1. Write the alpha decay reaction for each of the radioisotopes listed below. Each question is worth…

A: For alpha decay, atomic mass is decreases by 4 and atomic number decreases by 2

Q: A 15.0-mCi (millicurie) radioactive source runs for 2.63 hours. How many atoms have disintegrated?

A: The given activity value in mCi is first converted to Ci and then to atoms/s as shown below, 1…

Q: If a position is emitted from a radioactive nuclide, what will be the atomic number of the nuclide?…

A: Radioactive nuclei undergoes different decay reactions.

Q: Define the following terms: a) alpha-particles b) beta-particle production c)  positrons

A: a) Alpha - particles - When a radioactive Substance destroyed, it emitted different type of…

Q: Beta emission from fictitious isotope Go-282 with an atomic number of 164 would produce an isotope…

A: We know that  In beta emission the electrons are ejected energetically this happens because the…

Q: 2Using the diagrams below, label the nuclear process as alpha, beta, or gamma radiation. Explain how…

A: Radioactivity is the property of unstable elements by which it emits radiations and subatomic…

Q: 5. An atom of 41Ca is hit by an alpha particle that sticks to it. a. What is the atomic number of…

A: Alpha particle : 24He

Q: What is it called when a neutron hits a large uranium atom splitting it in two and releasing energy?…

A: Fission - Separation Fusion - Combination Half life refers to a certain time at which half of the…

Q: 250 Write an equation for the spontaneous fission of 96 Cm. Assume that the process produces two…

A: there are two type of radioactive decay process nuclear fission and nuclear fusion

Q: The formation of krypton from rubidum decay is a result of ______. A) alpha emission B) beta…

A: Alpha decay- It is type of radioactive decay in which an atomic nucleus releases an alpha particle…

Q: beta particle is A.an electron emitted by a larger nucleus . B.a form of highly penetrating…

A: Beta particles are high energy electrons emitted during the radioactive decay.

Q: What are Cathode rays?

A: Given information,      Cathode rays

Q: What was the effect of the type of shielding on alpha particles? What kinds of materials would…

A: This is a question from nuclear chemistry. By using the above mentioned table we have to answer the…