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Questions and Answers
What is the smallest particle of a compound that retains the properties of that compound?
What is the smallest particle of a compound that retains the properties of that compound?
- Ion
- Element
- Molecule (correct)
- Atom
What is the basic unit of an element that retains the chemical properties of that element?
What is the basic unit of an element that retains the chemical properties of that element?
- Compound
- Molecule
- Atom (correct)
- Ion
Which subatomic particle has a negative charge?
Which subatomic particle has a negative charge?
- Proton
- Positron
- Electron (correct)
- Neutron
Explain the structure of an atom and the arrangement of its subatomic particles.
Explain the structure of an atom and the arrangement of its subatomic particles.
Describe the role of protons, neutrons, and electrons in the structure of an atom.
Describe the role of protons, neutrons, and electrons in the structure of an atom.
How does the arrangement of electrons in an atom relate to its chemical properties?
How does the arrangement of electrons in an atom relate to its chemical properties?
Flashcards
Smallest compound particle
Smallest compound particle
The smallest unit of a compound that still has the compound's properties.
Basic element unit
Basic element unit
The smallest unit of matter that retains the element's characteristics.
Subatomic particle - negative
Subatomic particle - negative
A subatomic particle with a negative electrical charge.
Atomic structure
Atomic structure
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Proton role
Proton role
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Neutron role
Neutron role
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Electron role
Electron role
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Electron arrangement and properties
Electron arrangement and properties
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Study Notes
Atomic Structure
- The smallest particle of a compound that retains the properties of that compound is a molecule.
- The basic unit of an element that retains the chemical properties of that element is an atom.
Subatomic Particles
- Electrons are subatomic particles with a negative charge.
- Protons are subatomic particles with a positive charge, located in the nucleus of an atom.
- Neutrons are subatomic particles with no charge, located in the nucleus of an atom.
Atomic Structure and Arrangement
- An atom consists of three main parts: protons, neutrons, and electrons.
- Protons and neutrons are located in the nucleus (center) of the atom.
- Electrons orbit around the nucleus in energy levels or shells.
Role of Subatomic Particles
- Protons determine the identity of an element and its chemical properties.
- Neutrons contribute to the mass of an atom and affect the atom's physical properties.
- Electrons participate in chemical bonding and determine the chemical properties of an element.
Electron Arrangement and Chemical Properties
- The arrangement of electrons in an atom, or electron configuration, relates directly to its chemical properties.
- The number of electrons in the outermost energy level (valence shell) determines an element's reactivity and ability to form bonds.
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