Try these practice problems to test your understanding of atomic theory.
- Write the nuclear symbols for three isotopes of oxygen in which there are 8, 9, and 10 neutrons, respectively. Answer
- Write the nuclear symbol for an atom with 32 protons and 38 neutrons. Answer
- Identify the number of protons and electrons in the Sc3+ ion. Answer
- Give the symbol of an ion which has 10 e- and 7 p+. Answer
