Atomic structure
Understand the Problem
The question is asking for information regarding atomic structure, which could cover topics like the arrangement of particles within an atom, types of subatomic particles (protons, neutrons, electrons), and how these structures relate to chemical behavior.
Answer
A small, positively charged nucleus with protons and neutrons, surrounded by electrons.
An atom consists of a small, positively charged nucleus composed of protons and neutrons, surrounded by a cloud of negatively charged electrons.
Answer for screen readers
An atom consists of a small, positively charged nucleus composed of protons and neutrons, surrounded by a cloud of negatively charged electrons.
More Information
The nucleus, despite being extremely small compared to the atom's overall size, contains most of the atom's mass. Electrons orbit this nucleus at various energy levels in a cloud-like formation.
Tips
A common mistake is neglecting to mention neutrons when describing the nucleus or forgetting the significant mass difference between the nucleus and the electrons.
Sources
- Ionising Radiation - Atomic Structure - arpansa.gov.au
- The Structure of an Atom - ChemTalk - chemistrytalk.org
- Atomic Structure - Chemistry LibreTexts - chem.libretexts.org
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