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Questions and Answers
What is the smallest unit of matter that retains the properties of an element?
What is the smallest unit of matter that retains the properties of an element?
- Atom (correct)
- Compound
- Molecule
- Nucleus
Which of the following particles has a positive charge?
Which of the following particles has a positive charge?
- Proton (correct)
- Electron
- Nucleus
- Neutron
What is the region outside the nucleus where electrons orbit?
What is the region outside the nucleus where electrons orbit?
- Atomic orbit
- Molecular bond
- Electron cloud (correct)
- Nucleus
Which of the following is NOT a subatomic particle?
Which of the following is NOT a subatomic particle?
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What is the term for the attraction between electrons and the nucleus?
What is the term for the attraction between electrons and the nucleus?
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Study Notes
Atomic Structure
- The smallest unit of matter that retains the properties of an element is an atom.
- The proton is the particle with a positive charge.
Electron Orbit
- The region outside the nucleus where electrons orbit is called an electron cloud or electron shell.
Subatomic Particles
- The following are subatomic particles: protons, neutrons, electrons.
Atomic Interactions
- The attraction between electrons and the nucleus is termed electrostatic attraction.
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Description
Test your knowledge of atomic structure, including the smallest unit of matter, subatomic particles, and electron orbitals.
