Flashcards: Atomic Structure and Radioactivity — 10 cartões

Atomic particles — definition?

Protons, neutrons, and electrons composing atoms.

Proton — charge?

Positively charged particle in nucleus.

Particle size ranking — order?

Protons/neutrons larger than electrons.

Neutron — charge?

Neutral particle in nucleus.

Nuclear particles — include?

Protons and neutrons in the 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.