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The mass number decreases by 4 and the atomic number decreases by 2.
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∙ 13y ago
Wiki User
∙ 14y ago4
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How is the atomic mass number of a nucleus changed by alpha decay or by beta decay or by gamma decay?
The mass does not change much. The Atomic number will increase though.
When an isotope undergoes alpha decay which of the following change A The name of the element B The atomic number C The mass number D All of these change?
The answer is D. All of these change.
How does the mass of a nucleus change with alpha decay?
When an atomundergoesalpha decay, it loses two neutrons (as well as two protons).
How do you change the atomic number and mass number Radioactive decay and why?
In beta- decay, a neutron changes into a proton, so the atomic number goes up by one and the atomic mass number does not change. In beta+ decay, a proton changes into a neutron, so the atomic number goes down by one and the atomic mass number does not change. In alpha decay, two protons and two neutrons are lost, so the atomic number goes down by two, and the atomic mass number goes down by four. In neutron emission, the atomic number stays the same and the atomic mass number goes down by one. (This is rare) In proton emission, the atomic number goes down by one and the atomic mass number also goes down by one. (This is also rare) In spontaneous fission, you need to know the daughter product, because it is not necessarily deterministic what you are going to get.
How does beta radiation affect the nucleus?
The end result of beta- decay is that a neutron is converted into a proton, increasing the atomic number while keeping the atomic mass number the same. The end result of beta+ decay is that a proton is converted into a neutron, decreasing the atomic number while keeping the atomic mass number the same.
How is the atomic mass number of a nucleus changed by alpha decay or by beta decay or by gamma decay?
The mass does not change much. The Atomic number will increase though.
What is the change in mass numbers after the alpha decay?
4
What happens to the atomic number of an atom undergoing alpha decay?
The atomic number of an atom undergoing alpha decay decreases by 2. Not asked, but answered for completeness, the atomic mass number decreases by 4.
What does alpha decay do to an atom mass and atomic number?
Reduces the number by 2 and the mass by 4.
When an isotope undergoes alpha decay which of the following change A The name of the element B The atomic number C The mass number D All of these change?
The answer is D. All of these change.
How does the mass of a nucleus change with alpha decay?
When an atomundergoesalpha decay, it loses two neutrons (as well as two protons).
How does alpha beta and gamma decay change the nucleus?
Gamma decay is the release of energy, but does not in itself change the nucleas Alpha decay is the loss of 2 protrons and 2 neutrons, lowering the atomic number by 2 and mass number by 4 Beta can occur as a result of a neutron turning into a protron, raising the atomic number by 1 and charge by 1
What type of decay does Am-241 undergo to become Np-237?
The decay that occurs for Am-241 to become Np-237 is called alpha decay. Alpha decay is characterized by a decrease of 2 in the atomic number and 4 in the mass number.
What happens to the mass and atomic number when there is an alpha decay?
The mass decreases by 4 units and the atomic number by two units.
How can you use the parent element to determine the daughter element in alpha decay?
In alpha decay, the atomic number decreases by 2, while the atomic mass number decreases by 4.
What is mass converted to in nuclear processes?
nuclear decay, such as alpha decay or beta decay.
What are the elements of alpha decay?
Alpha particle is composed of two protons and two neutrons (equivalent to He nucleus). So the parent decaying by alpha decay results in a daughter having atomic number less by two and mass number less by four.
