Which of the following compositions of carbon allows scientists to attribute increased carbon in the atmosphere to fossil fuel combustion?   a. carbon-12 with very minimal carbon-14   b. carbon 13   c. carbon-14   d. radiocarbon dead

Q: 5. An element with a mass number of 1 l and an atomic number of 5, how many neutrons does it have?…

A: 5.  Number of neutrons = mass number - atomic number                                   = A - Z…

Q: What is the product nucleus for each of the following decay processes? (Express your answer as an…

A: Here we have to write the product nucleus for each of following decay process

Q: his process is involved in the production of more massive elements like Sr in the supernova. A.…

A: This process is involved in the production of more massive elements like Sr in the supernova.

Q: Which of the following statements is true about nuclear fusion? A. Nuclear fusion occurs when atoms…

A: Here given statement about nuclear fusion .we are asked to find the true option for nuclear fusion.

Q: 3. What do you know about nuclear fission. Almost IMW power can be produced by burning 3 tons of…

A:

Q: On

A: Answer is option B

Q: Which element has the most tightly bound nucleus? is the correct answer. (No nuclear reactions can…

A: The most tightly bound nucleus can be observed from Nuclear Binding Energy curve. The curve predicts…

Q: OAll isotopes 284 protons are unstable (alpha decay most common) OElements $20 protons are most…

A: Isotopes are atoms of the same element with same atomic number and different mass numbers. Atomic…

Q: Which of the folowing occurs when an isotope decays by the process of beta emission? A. The mass…

A: Given: Beta emission reaction.

Q: The isotope Strontium-89 A. is likely to decay by alpha emission. B. is likely to decay by positron…

A: Strontium-89 (89Sr) decays by beta emission to yttrium-89 (89Y) with a half-life of 50.6 days.…

Q: Select the isotope that has the greatest stability per nucleon. A. 56 Fe 26 B. 131 Xe 54 C. 23 Na…

A: Here we have to select the isotope which has greatest stability per nucleon-

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: In radio-pharmacy Alpha, Beta-plus, Beta-minus and Gamma decay are all different forms of…

A: beta decay results in the atomic number but not in the mass number gamma radiation results in the…

Q: Question 16 What is a radioactive decay?     a. Releasing of electromagnetic waves from chemical…

A: Radioactive decay is a process in which an unstable atomic nucleus undergoes radioactive decay to…

Q: What type of radiation occurs when a negatively charged electron is emitted from a nucleus?

A: ANSWER

Q: a.)Cite 15 uses and 15 hazards of Carbon-14 radioactive isotope. b.) explain the uses and hazard of…

A: uses of Carbon-14 Radioactive isotopes- 1. The isotope also is used as a tracer in following the…

Q: .How does nuclear fusion generate energy? A.When a heavy nucleus splits, the total mass of the…

A: Nuclear chemistry

Q: 125 Predict the modes of deca of 534 A. Alpha decay B. Positron emission C. Beta decay D. Gamma…

A: Given that : We have to predict he modes of decay of I53125 :

Q: 6. Which fraction of crude oil has the biggest compounds? * Diesel O Kerosene Naptha O Gasoline

A: Answer is given below.

Q: 3. What changes occur to the atomic number and mass of a nucleus during each of the following decay…

A: The symbol of an element is expressed as, A     XZ Where, X = the atomic symbol of the element (like…

Q: 6. Scientists find a wooden spoon and they want to use carbon dating to figure out how old it is. If…

A: All natural and artificial radio active decays follows first order kinetics In case of first order…

Q: 9. Suppose a group of lab partners measured counts per seconds (cps) for carbon 14 ('“C) using a…

A:

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: 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: 19. Which component is not typically found in a nuclear reactor facility? O fusion reaction O…

A: The correct answer is given below

Q: Select the isotope that has the greatest stability per nucleon.

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: (1 mark) For questions 22 to 28, read each question carefully. Decide which of the choices BEST…

A: In alpha decay, an isotope emits an alpha particle, which consists of 2 protons and 2 neutrons…

Q: What is the mass of an assembly of 1000 electrons?

A:

Q: 19. Rank the ionizing power of alpha, beta and gamma radiation in decreasing order

A: alpha rays are positive charged  Beta rays are negatively charged  gamma rays are neutral

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: 90Y Predict the modes of decay of 39 A. Alpha decay B. Beta decay C. Gamma emission

A:

Q: Which of the following statements is CORRECT? a. Beta particles and gamma radiation penetrate into…

A: Penetrating power is the power or length of the beam of the particle transmitted for a substance.…

Q: Which one/s take place in radioactive decay? I. An unstable nucleus spontaneously loses energy by…

A: given Which one/s take place in radioactive decay?I. An unstable nucleus spontaneously loses energy…

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: 2. lodine-123 has a half-life of 13.2 hours. Its gamma decay allows for photons of different colors…

A: a) The gamma decay of Iodine-123 can be represented by the following equation: 123I → 123Te + γ In…

Q: Determine the missing product from the positron emission of carbon-11. 12 N. 10 11 B. B.

A:

Q: Which one/s take place in radioactive decay? I. An unstable atomic nucleus spontaneously loses…

A: Nuclear chemistry is branch of chemistry in which we deal with nuclear fission and fusion reaction.…

Q: 30³ Bi decays by electron capture. What is the product? 83 a. 202 Bi 83 b. 199 T1 C. O 203 pb 82 d.…

A:

Q: In radio-pharmacy Alpha, Beta-plus, Beta-minus and Gamma decay are all different forms of…

A: During beta minus  decay atomic number increase by one while mass number remains unchanged.  In beta…

Q: The diagram below illustrates the radioactive decay of a sample of mercury-207. Use it to answer the…

A:

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: What is the fundamental difference between a chemical change and a physical change? A new substance…

A: The fundamental Difference between a  physical change and a chemical change is as follows-

Q: Write a chemical equation for each of the following radioactive decay processes: a. phosphorus-32…

A:

Q: 4. Which type of radiation – alpha, beta, or gamma: a. Results in the greatest change in atomic…

A: To answer this question, we would first see definition and representation of alpha, beta and gamma…

Q: A change in the number of protons in a nucleus of an atom indicates a transmutation reaction. A.…

A: The atomic number of any atom is defined by the number of protons present in that atom. Atomic…

Q: Q1: It has been planned to use Thorium fuel (Th232) in a nuclear power station instead of Uranium…

A:

Q: Element 88 undergoes 16 gamma, 8 alpha, 4 negative beta and 10 positive beta decays. The resulting…

A: We have to explain the element 88 undergoes 16 gamma, 8 alpha, 4 negative beta and 10 positive beta…