In a nuclear reaction, which is the same before and after the change?(1 point) Responses the number of alpha particles the number of alpha particles the mass the mass the total number of protons the total number of protons the types of atoms
Why does the emission of an alpha particle always result in transmutation?.(1 point) Responses Energy is released from the nucleus of the atom. Energy is released from the nucleus of the atom. The number of protons in the atom changes. The number of protons in the atom changes. The atom is converted to helium. The atom is converted to helium. The protons in the large atom change to neutrons.
Which phrase describes radioactive decay?(1 point) Responses the splitting of a large nucleus into smaller nuclei the splitting of a large nucleus into smaller nuclei the triggering of one reaction by the products of another the triggering of one reaction by the products of another the spontaneous emission of radiation the spontaneous emission of radiation the joining of small nuclei into a larger nucleus
Which option would be an appropriate model of nuclear fusion?(1 point) Responses mashing two marshmallows together mashing two marshmallows together sewing one piece of fabric to another sewing one piece of fabric to another putting a puzzle together putting a puzzle together adding a drop of water to a glass of water adding a drop of water to a glass of water
Which aspect must be taken into consideration when creating a model of radioactive decay?(1 point) Responses There must not be any changes to the element in question. There must not be any changes to the element in question. There must be a way for unstable nuclei to become stable nuclei. There must be a way for unstable nuclei to become stable nuclei. There must be a predictable and reversible change that occurs. There must be a predictable and reversible change that occurs. There must not be any particles or energy emitted from the nucleus
How is a simple chemical reaction different from fusion?(1 point) Responses The atoms are bound to each other by electrons in a fusion reaction. The atoms are bound to each other by electrons in a fusion reaction. The nuclei combine in a fusion reaction but not in a chemical reaction. The nuclei combine in a fusion reaction but not in a chemical reaction. Atoms come together in a chemical reaction, but they are split in a fusion reaction. Atoms come together in a chemical reaction, but they are split in a fusion reaction. Energy is released in a fusion reaction, but it is absorbed in a chemical reaction.
Which statement best describes the charged particles in the fusion reaction? (1 point) Responses The nucleus with the greatest positive charge is on the right side of the reaction. The nucleus with the greatest positive charge is on the right side of the reaction. There are no charged particles because these are all nuclei, which are neutral. There are no charged particles because these are all nuclei, which are neutral. The nucleus with the greatest positive charge is on the left side of the reaction. The nucleus with the greatest positive charge is on the left side of the reaction. There are no charged particles because the positive and negative charges will cancel out.
In nuclear reactions, information about the nuclei that take place in the reaction and the nuclei that are produced can be written out in an equation form. When looking at equations like this, how can you identify a reaction as a fission reaction?(1 point) Responses A nucleus with a large mass will be on the right side, and there will be neutrons in the equation. A nucleus with a large mass will be on the right side, and there will be neutrons in the equation. A nucleus with a large mass will be on the left side, and there will be electrons in the equation. A nucleus with a large mass will be on the left side, and there will be electrons in the equation. A nucleus with a large mass will be on the right side, and there will be electrons in the equation. A nucleus with a large mass will be on the right side, and there will be electrons in the equation. A nucleus with a large mass will be on the left side, and there will be neutrons in the equation.
How is fission different from a simple chemical reaction?(1 point) Responses Atoms are split into smaller pieces during fission. Atoms are split into smaller pieces during fission. Fission can happen with radioactive forms of atoms. Fission can happen with radioactive forms of atoms. Protons cause fission reactions, while chemical reactions involve electrons. Protons cause fission reactions, while chemical reactions involve electrons. Fission reactions run out of control, while chemical reactions are controlled.
Which statement best describes the charges of the particles involved in the diagram above? (1 point) Responses A neutral particle is striking a positive particle, breaking it into more neutral and positive particles. A neutral particle is striking a positive particle, breaking it into more neutral and positive particles. A neutral particle is striking a negative particle, breaking it into more neutral and negative particles. A neutral particle is striking a negative particle, breaking it into more neutral and negative particles. A positive particle is striking a neutral particle, breaking it into more positive and neutral particles. A positive particle is striking a neutral particle, breaking it into more positive and neutral particles. A negative particle is striking a positive particle, breaking it into more negative and positive particles.
Which statement best describes the process of alpha decay?(1 point) Responses An unstable nucleus releases a single positively charged particle. An unstable nucleus releases a single positively charged particle. An unstable nucleus rearranges its particles and releases energy. An unstable nucleus rearranges its particles and releases energy. An unstable nucleus releases an electron. An unstable nucleus releases an electron. An unstable nucleus releases a particle containing two protons and two neutrons. An unstable nucleus releases a particle containing two protons and two neutrons. Skip to navigation
In which type of radioactive decay does the nucleus become more stable without changing its identity?(1 point) Responses beta-minus decay beta-minus decay alpha decay alpha decay beta-plus decay beta-plus decay gamma decay
An alpha particle is equivalent to the nucleus of an atom of which element?(1 point) Responses nitrogen nitrogen carbon carbon hydrogen hydrogen helium
Which statement best describes alpha decay?(1 point) Responses After the ejection of an alpha particle, the remaining nucleus has a mass number that is two less and an atomic number that is two less, so alpha decay is a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is two less and an atomic number that is two less, so alpha decay is a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is not a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is not a type of nuclear fission. After the ejection of an alpha particle, the remaining nucleus has a mass number that is two less and an atomic number that is two less, so alpha decay is not a type of nuclear fission.
Which option correctly compares beta decay and gamma decay?(1 point) Responses Beta decay only reduces the energy level, while gamma decay releases a particle. Neither beta decay nor gamma decay is a form of nuclear fission. Beta decay only reduces the energy level, while gamma decay releases a particle. Neither beta decay nor gamma decay is a form of nuclear fission. Beta decay only reduces the energy level, while gamma decay releases a particle. Gamma decay is a form of nuclear fission, but beta decay is not. Beta decay only reduces the energy level, while gamma decay releases a particle. Gamma decay is a form of nuclear fission, but beta decay is not. Beta decay releases a particle, while gamma decay only reduces the energy level. Beta decay is a form of nuclear fission, but gamma decay is not. Beta decay releases a particle, while gamma decay only reduces the energy level. Beta decay is a form of nuclear fission, but gamma decay is not. Beta decay releases a particle, while gamma decay only reduces the energy level. Neither beta decay nor gamma decay is a form of nuclear fission.
1 answer
Here are the answers to your questions based on nuclear reactions and decay processes:
In a nuclear reaction, which is the same before and after the change?
The total number of protons
Why does the emission of an alpha particle always result in transmutation?
The number of protons in the atom changes.
Which phrase describes radioactive decay?
The spontaneous emission of radiation.
Which option would be an appropriate model of nuclear fusion?
Mashing two marshmallows together.
Which aspect must be taken into consideration when creating a model of radioactive decay?
There must be a way for unstable nuclei to become stable nuclei.
How is a simple chemical reaction different from fusion?
The nuclei combine in a fusion reaction but not in a chemical reaction.
Which statement best describes the charged particles in the fusion reaction?
The nucleus with the greatest positive charge is on the left side of the reaction.
In nuclear reactions, information about the nuclei that take place in the reaction and the nuclei that are produced can be written out in an equation form. When looking at equations like this, how can you identify a reaction as a fission reaction?
A nucleus with a large mass will be on the left side, and there will be neutrons in the equation.
How is fission different from a simple chemical reaction?
Atoms are split into smaller pieces during fission.
Which statement best describes the charges of the particles involved in the diagram above? (Since no diagram is provided, I can't accurately answer this, but here’s a general assumption based on common knowledge)
A neutral particle is striking a positive particle, breaking it into more neutral and positive particles.
Which statement best describes the process of alpha decay?
An unstable nucleus releases a particle containing two protons and two neutrons.
In which type of radioactive decay does the nucleus become more stable without changing its identity?
Gamma decay.
An alpha particle is equivalent to the nucleus of an atom of which element?
Helium.
Which statement best describes alpha decay?
After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is not a type of nuclear fission.
Which option correctly compares beta decay and gamma decay?
Neither beta decay nor gamma decay is a form of nuclear fission.
Please review these answers as they are based on standard nuclear physics concepts.