Classify each nucleus as stable or unstable.

Q: * Positrons are .10 B-particle O Positive electrons Both of them

A: Radioactive decay is the decay in which unstable nuclei break into different subatomic particles and…

Q: snip

A: The reason why Helium-3 is more stable and helium-4 is not been detected has to be given,

Q: How nuclear changes differ, in general, from chemical changes

A: How nuclear changes differ, in general, from chemical changes.

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: 1. Which particle has the same mass as a beta particle? b. a proton a. a neutron C. a gamma ray d.…

A:

Q: If this figure were extended one more “generation” down, howmany neutrons would be produced?

A: Nuclear fission reaction is the type of reaction where a heavy nucleus splits into two more more…

Q: How can we predict stable nuclei?

A: The way to predict stable nuclei has to be given.

Q: Which isotope is most likely unstable? 072Rb 20 Ne 10¹ 0¹B 160

A: Isotopes are members of a family of an elements that all have the same number of protons but…

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: 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: The alpha decay of thorium 234 would produce what daughter isotope?

A:

Q: (4) (5) The emission of a positron from the nucleus converts a proton into a/an (A) Neutron (B)…

A: During nuclear reaction the sum of mass number and sum of atomic number is same on reactant and…

Q: What is the change in the nucleus that results from the following decay scenarios?(a) emission of a…

A: Sometimes atoms aren’t happy just being themselves; they suddenly change into completely different…

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

A:

Q: In radiometric dating, as the parent atom decreases by 50%, the daughter atom increases by 75%. True…

A: Radiometric dating is used to determine the age of rocks.

Q: What is the atomic nucleus?

A: An atom is the smallest basic unit of everything in the universe. However an atom have its subatomic…

Q: For each pair of isotopes listed, predict which one is less stable:

A: For a stable isotope n/p ratio should be approximately 1. Those nuclei have neutron to proton ratio…

Q: Compare and contrast the terms isotopes and radioisotopes

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

Q: n nuclear reaction:

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: Choose which isotope you would expect to be most stable.

A:

Q: Which element is most likely to be radioactive?

A: Radioactivity It is the process by which an unstable atomic nucleus will lose energy through the…

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

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

Q: Describe how variations in an atomic nucleus accountfor its physical properties

A: A physical property is any property that is measurable, whose value describes a state of a physical…

Q: What is meant by the half-life of a radioactive element?

A: The elements which have an unstable nucleus in their atoms and hence to get stability they emit…

Q: Neon and magnesium each has three stable isotopes while sodium and aluminum each has only one.…

A: Neon and magnesium each have three stable isotopes. Sodium and aluminum each have only one isotope.…

Q: In each pair of isotopes shown, indicate which one you would expect to be radioactive.

A: Radioactivity is defined as the spontaneous decay of the nucleus of an element having higher mass…

Q: stable

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

Q: The reason why a nucleus might emit radiation is because by doing so, it forms a more stable-lower…

A: Applying yukawa concept of stability of nucleus.

Q: A is the process of combining two light nuclei to form a heavier, more stable nucleus while A is the…

A: Heavy nuclei is defined as the nuclei of ordinary atoms of high atomic number(Z) in which its…

Q: The emission of radiation is the radioisotopes losing energy. O True O False

A: Radioactive isotope, also called radioisotope, radionuclide, or radioactive nuclide, any of several…

Q: which extra particle is an isotope cause it to be unstable

A:

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: When a nucleus undergoes alpha decay, an electron is ejected from the nucleus.   True False

A: We all know that, when a nucleus undergoes alpha decay that means it's released helium particles.…

Q: Which isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?

A: Given The following  isotopes are unstable with respect to  Nuclear Fission and Nuclear Fusion?…

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

A:

Q: how are the numbers of neutrons and protons in a nucleus related to it’s stability?

A: Number of neutrons and protons are an effective means of predicting nuclear stability. This ratio is…

Q: What is the daughter nucleus produced when Sr undergoes positron emission? daughter nucleus:

A:

Q: alpha emission is

A:

Q: What is the ratio of density of the nucleus to that of water?

A: The density of a substance is given as  mass per unit volume. i.e density = mass/ volume

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

A:

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: 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: 1. How do atoms attain stability?

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

Q: How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12…

A: In this question , we have given that californium is bombarded with a carbon - 12 nucleus which…

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

A: a) Alpha (α) particles consists of two protons and two neutrons bound together into a particle…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.