Some examples from this set of practice questions
1.
What are subatomic particles?
Answer: Subatomic particles are particles that make up atoms, including protons, neutrons, and electrons.
2.
What are isotopes?
Answer: Isotopes are atoms of the same element that have different numbers of neutrons and therefore different atomic masses.
3.
What is electron configuration?
Answer: Electron configuration is the distribution of electrons among the energy levels of an atom, and it determines the chemical properties of an element.
4.
What is the difference between an atom and an ion?
Answer: An atom is a neutral particle with the same number of protons and electrons, whereas an ion is a charged particle that has gained or lost electrons.
5.
What is the significance of the atomic number?
Answer: The atomic number is the number of protons in the nucleus of an atom, and it determines the identity of the element.
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