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

Q: After the radioactive decay of a certain radioactive element, its atomic number and mass number…

A: Radioactive decay is the emission of energy in converting unstable nuclei into stable nuclei.

Q: How the specific activity of an isotope in an object is used to determine the object’s age

A: How the specific activity of an isotope in an object is used to determine the object’s age.

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: Which radioactive decay produces a nuclei compromised of two protons and two neutrons?  A) positron…

A: Radioactive decay:It is known as the process by which an unstable atomic nucleus loses its energy by…

Q: solve the nuclear decay problems.

A: In this the atomic no decreases by 1 but mass no remains same. this process is called positron…

Q: If sample made up of Glunitie 142 with a half life of 7 days contained 93.75% daughter atoms, how…

A: The question is based on the concept of chemical kinetics. we have to calculate the age of the given…

Q: As a result of alpha emission, the product nucleus is

A:

Q: Early workers mistakenly thought neutron beams were g radiation. Why? What evidence led to the…

A: The given statement is, Early workers mistakenly thought neutron beams were g radiation.

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

A:

Q: With a high value of N/Z, an isotope will tend to decay through Positron Alpha Electron capture Beta

A:

Q: Fill-in the following table for the decay of a particular radioisotope.

A: N (t1/2 ) passed  Total time passed ( in min ) Mass remaining in (g) 0  0 64 1 14 min 32 2 28…

Q: What is a positron?  A) an electron B) a neutron C) a proton D) none of the above

A: A positron can be considered as an antielectron which has an electric charge of +1 e and has the…

Q: Explain what is meant by the binding energy of an isotope

A: Isotopes are two or more atoms that have the same atomic number but different mass numbers. The…

Q: Chemistry Which of the following describe alpha? (choose one or more) The level of significance The…

A: Alpha is a Greek alphabet. Here we have to choose the correct option which describes the symbol…

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

A:

Q: Write a brief description or definition of each of the following:(a) nucleon(b) α particle(c) β…

A:

Q: Identify the radioactive decay process 11/6C + 0/-1e -> 11/5B Alpha emission beta emission…

A:

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: If an atom of Uranium, Element 92, were to absorb an Alpha particle (comprising two protons and two…

A: For a balanced nuclear reaction sum of mass number and sum of atomic numbers must be same on both…

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: What is the daughter nucleus produced when 50Mn undergoes positron emission? Replace each question…

A: Radioactivity is a phenomenon in which an unstable nucleus stabilizes itself by emitting different…

Q: beta particle

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

Q: d) the alpha emission resulting in the formation of Protactinium-233 e) the loss ofa positron by…

A:

Q: Compute the binding energy of the 7Li nucleus; the experimentally determined mass of 7Li is 7.016004…

A:

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: Neon-20  is formed when a nucleus emits s positron.

A:

Q: 53 25 +je -1 > Cr + Positron Radiation Particle Emitted:

A: Complete the given nuclear reaction----

Q: Why is it found experimentally difficult to detect neutrinos in nuclear P-decay?

A: Quantum tunnelling may be one of mechanisms of proton decay. Quantum gravity may also provide a…

Q: What is mass defect and binding energy for C14 nucleus

A: The mass defect and binding energy can be calculated as

Q: A sample contains 9,000 particles of the original isotope for every 63,000 particles of the daughter…

A: Given data : Half-life of the original isotope (t1/2) = 19 years Also given that, the sample…

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

A:

Q: Isotope resulted from? a. Natural radioactive decay b. Increase of Temp. & Pressure c. Substitution…

A:

Q: A positron is absorbed by a nucleus of tritium to form a He* ion. If the electron in the tritium is…

A: step 1) z is the nuclear charge of the number of protons which is 1 for the tritium and for the…

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

A:

Q: Rb ? + 37

A: A question based on nuclear chemistry, which is to be accomplished.

Q: What happens to teh binding energy if the mass number increases? Explain further

A: Atomic binding energy is the energy required released when many free nuclear particles are joined…

Q: The band of stability represents nuclei that are not likely to undergo radioactive decay. True False

A: (a) We know that Band of stability is the stability of elements determined by the ratio of the…

Q: Manganese-51 undergoes a positron emission. What is the resulting isotope? Give the isotopic name

A: Positron emission or beta plus decay (β+ decay) is a subtype of radioactive decay called beta decay,…

Q: the

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

Q: The difference between the calculated and experimentally measured masses of an atom is called…

A:

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…

Q: The __________ has the highest ionizing power.     positron     beta particle     gamma ray…

A: The nucleus is the heavy portion present at the center of the atom. It consists of protons and…

Q: The collision between a beta particle and positron produces   nothing- they annihilate each other…

A:

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

A:

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.