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Assuming you mean "nucleus", the answer will depend on what what nucleus you are talking about (atomic nucleus, the nucleus of a cell, etc.).
If an element is radioactive, it refers to the stability of their atomic nucleus. If that atomic nucleus is not stable, it is considered radioactive.
Assuming you mean "nucleus", the answer will depend on what what nucleus you are talking about (atomic nucleus, the nucleus of a cell, etc.).
The size of a nucleus may be measured by firing sub-atomic particles at the nucleus and counting the proportion that bounce off the nucleus rather than miss it entirely. Assuming that the nucleus is spherical in shape, the ratio allows its size to be estimated.
The atomic number is the number of protons in a nucleus.
The atomic number is equal to the number of the protons in the atomic nucleus.
The atomic number is the number of protons in the nucleus of the atom.
what is the atomic number of the nucleus?
An atom of Carbon has 6 protons in its nucleus.
The atomic number of an element indicates the number of protons that are located in the nucleus of an atom of that element.
The number of protons in the atomic nucleus is equal to atomic number.
The number of protons in the atomic nucleus is equal to the atomic number of an element.