Chemistry, 14.12.2020 09:50 barb4you67

The symbol for a radioactive nuclide is Superscript 234 subscript 90 upper T h.. Which statement is correct? The atomic number of the radioactive nuclide is 90.
The mass number of the radioactive nuclide is 144.
The number of neutrons that are present in the nucleus of each atom is 324.
The number of protons that are present in the nucleus of each atom is 234.

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The symbol for a radioactive nuclide is Superscript 234 subscript 90 upper T h.. Which statement is...