Atomic particles — definition?
Protons, neutrons, and electrons composing atoms.
Particle size ranking — order?
Protons/neutrons larger than electrons.
Nuclear particles — include?
Protons and neutrons in the nucleus.
Proton — charge?
Positively charged particle in nucleus.
Neutron — charge?
Neutral particle in nucleus.
Electron — charge?
Negatively charged particle orbiting nucleus.
Atomic number — definition?
Number of protons in an atom.
Mass number — total?
Protons plus neutrons in nucleus.
Isotope — same?
Same protons, different neutrons.
Particle size ranking — order?
Protons/neutrons > electrons in size.
Answer 7 questions on Atomic Structure and Radioactivity.
1. What are atomic particles?
2. According to the particle size ranking in atomic structure, which of the following correctly orders the particles from largest to smallest?
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