When an alpha particle is emitted from an unstable nucleus, what happens to the

Question

When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant. When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant. When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant. When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant. When an alpha particle is emitted from an unstable nucleus, what happens to the atomic number of the nucleus? The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant. The atomic number decreases by 4. The atomic number increases by 2. The atomic number increases by 4. The atomic number decreases by 2. The atomic number remains constant.

Explanation / Answer

The atomic number decreases by 2.

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