Chemistry Which of the following describe alpha? (choose one or more) The level of significance The probability of the test statistic occurring if the null is true The probability that we will reject the null hypothesis A value we need to know in order to determine the critical value

Q: A radioactive particle that consists of two protons and two neutrons:   alpha particle   beta…

A: Nuclear decay When a nucleus of an atom is unstable it gives out energy in the form of radiation…

Q: Predict the type of radiation emitted when boron-8 decays spontaneously. Group of answer choices…

A: Introduction: Positron emission: A positron is like an electron but it has a positive charge,dur dur…

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: 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: 128Ba+ ____  -->  128Cs         Alpha emission     Beta emission     Positron emission…

A: The atomic number of Ba is 56 and Cs is 55 Hence the reaction taking place is (assuming the unknown…

Q: A radioactive particle deflected away from a negatively charged plate must be a(n)   beta particle…

A: Charges of opposite sign attract each other, where as charges of same sign repel each other.  Given…

Q: What is the emission type of 8B --> 8Be + ____ Alpha emission…

A: In the given radioactive decay, 8B is undergoing an emission forming a new element 8Be. Thus, both…

Q: Which of the following radiation would become attracted to the positive (+) end of a magnet? Alpha…

A: The process of emission of radiations from an atom that has a heavy nucleus is called radioactive…

Q: What do you mean by "metastable state of the technetium nucleus"?

A: Technetium is a chemical element with the symbol Tc and atomic number 43. It is the lightest element…

Q: Energetic gamma rays are emitted when ________, which then are a new source of energy for the…

A: Here i filled the blank space

Q: 97Tc + ____       97Mo     Alpha emission     Beta emission     Positron emission…

A: Atomic number of Tc is 43 and Mo is 42 Hence the reaction taking place is (Assuming the missing…

Q: The radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is…

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: You just started a new job and a fellow researcher found a fossil that they believed to be 20,000…

A: Given: Half-life of the new isotope = 2000 years. And the actual age = 4000 years.

Q: Yttrium-90 is a radioisotope used to treat liver cancer. Identify the missing part of the nuclear…

A: In the nuclear equation, total number of atomic number in reactant side is equal to total number of…

Q: 7. Complete the following nuclear equatio 200 80Hg + 204 82Ph alpha particle O beta particle gamma…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: What are the 10 natural radioactive elements?

A:

Q: beta particle

A: Alpha particle is helium nuclei. Which is dipositive helium atom Beta particle consists of High…

Q: 5. If a nucleus is too large, which type of particle will it most likely emit? O neutron beta…

A: The chemical symbol of neutron is 01n which has the mass number one and atomic number zero. When a…

Q: During the nuclear decay of Mendelevium-258, Einsteinium-254 is produced. What type of radiation is…

A: GivenProcess = Nuclear decayReactant = Mendelevium-258Product = Einsteinium-254Type of radiation…

Q: 1 2 3 Radioisotopes are classified by having unstable nuclei. O True O False 4.

A: Correct Ans -  Radioisotopes are classified by having unstable nuclei.  This statement is true.…

Q: A thorium-232 nucleus decays by a series of alpha and beta emissions until it reaches francium-224.…

A:

Q: Platinum has a naturally occurring radioisotope, Platinum – 190, with a half – life of 6.50 x 10"…

A:

Q: Number of half-lives Fraction Percentage remaining remaining elapsed 0. 100 1 1/2 50 1/4 25 3 1/8…

A: Half life: The time period in which the concentration of reactant becomes half of the initial…

Q: Radioisotopes are radioactive due to having   radioactivity stored in it   unstable nuclei   excess…

A: The nuclei of radioisotopes are unstable, so they constantly decay and emit radiation.

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: What type of radioactive decay is fauGred S the humber ot protons in the nucleus, is much greater…

A: We know that, beta particle is a high energy, high speed electron or positron emitted by the the…

Q: 200Po+ ____ 200Bi Alpha emission Beta emission Positron…

A: In the given radioactive decay of 200Po to 200Bi. The two elements has the same mass number . Again,…

Q: Which of the following is not an important assumption of the radiometric age dating method?…

A: Major assumption of radioactive age dating method are-  1) Decay occurs at constant rate. 2)The…

Q: write the symbols and complete nuclear equation for the alpha emitter Californium-249

A: Release of alpha particle means, mass number decrease by 4 and atomic number decrease by 2.

Q: True or False? Radioactive elements become stable isotopes after emitting one of the radioactive…

A: The given statement has to be classified as true or false.

Q: alpha- particles cannot pass through thick sheets of metals because?

A: Radioactive Substance emitted three type of particles, called radioactive particles , these are -…