Question

Three types of radioactive elements are emitted when unstable nuclei undergo radioactive decay. Which of the following is not one of them? *
• Gamma
• Alpha
• Beta
• delta​

Answer 1

Answer:

delta

Explanation:

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Answer 2

Answer:

Delta is not a radioactive element that is emitted when unstable nuclei undergo radioactive decay.

Explanation:

• The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation.
• A substance that has unstable nuclei is regarded as radioactive. Alpha, beta, and gamma decay are three of the most prevalent types of decay, and they all entail the emission of one or more particles.

• When an alpha particle is released by the nucleus, alpha decay occurs (helium nucleus).
• Beta decay takes place in two ways; beta-minus decay: the conversion of a neutron to a proton by the emission of an electron and an antineutrino from the nucleus. Positron emission, or beta-plus decay, is the mechanism by which a proton transforms into a neutron through the emission of a positron and a neutrino by the nucleus.

• A radioactive nucleus first undergoes alpha or beta particle emission in gamma decay.

Thus, Delta is not a radioactive element that is emitted when unstable nuclei undergo radioactive decay.

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