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Questions and Answers
What comprises more than 99.9% of the mass of an atom?
What comprises more than 99.9% of the mass of an atom?
What is the basic building block of all matter?
What is the basic building block of all matter?
Where is the electron located within an atom?
Where is the electron located within an atom?
What contains 70% of the mass of an atom?
What contains 70% of the mass of an atom?
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What is the smallest unit into which a chemical element can be broken down without losing its chemical identity?
What is the smallest unit into which a chemical element can be broken down without losing its chemical identity?
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An atom consists of an extremely small, positively charged nucleus surrounded by a cloud of negatively charged protons.
An atom consists of an extremely small, positively charged nucleus surrounded by a cloud of negatively charged protons.
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The nucleus contains more than 99.9% of the mass of the atom.
The nucleus contains more than 99.9% of the mass of the atom.
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An atom is the smallest unit into which a chemical element can be broken down without losing its chemical identity.
An atom is the smallest unit into which a chemical element can be broken down without losing its chemical identity.
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Radioactivity can be thought of as changes which occur within the nuclei of atoms.
Radioactivity can be thought of as changes which occur within the nuclei of atoms.
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The nucleus contains 70% of the mass of the atom. T or F
The nucleus contains 70% of the mass of the atom. T or F
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Study Notes
Atomic Structure
- More than 99.9% of an atom's mass is comprised of the nucleus.
- The nucleus contains 70% of the atom's mass.
Atomic Composition
- An atom consists of a small, positively charged nucleus surrounded by a cloud of negatively charged electrons.
Atomic Identity
- An atom is the smallest unit into which a chemical element can be broken down without losing its chemical identity.
Radioactivity
- Radioactivity can be thought of as changes which occur within the nuclei of atoms.
Electron Location
- Electrons are located outside the nucleus of an atom.
Nuclear Mass
- The nucleus contains the majority of the atom's mass.
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Description
Test your knowledge of radiation physics with this quiz covering topics such as atomic structure, electron transitions, nuclear force, nuclide classification, stability, and radioactivity. This quiz is a great way to review key concepts from RAD 211 and assess your understanding of the subject matter.
