Which two subatomic particles are found in the nucleus of an atom?

• A. Protons and neutrons
• B. Electrons and positrons
• C. Protons and electrons
• D. Neutrons and electrons

Answer: (A)

Verified step by step guidance

1. Understand the structure of an atom: An atom consists of a nucleus and an electron cloud surrounding it.
2. Identify the subatomic particles: Atoms are made up of three main subatomic particles: protons, neutrons, and electrons.
3. Locate the nucleus: The nucleus is the central part of an atom and contains most of its mass.
4. Determine which particles are in the nucleus: The nucleus contains protons, which are positively charged, and neutrons, which have no charge.
5. Recognize the location of electrons: Electrons are negatively charged particles that orbit the nucleus in various energy levels or shells.