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Questions and Answers
What does the atomic number of an atom represent?
What does the atomic number of an atom represent?
How many electrons does a neutral atom have?
How many electrons does a neutral atom have?
Which particle is not found in the nucleus of an atom?
Which particle is not found in the nucleus of an atom?
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?
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What particles make up an atom?
What particles make up an atom?
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Study Notes
Structure of Atoms
- Atoms represent the fundamental building blocks of matter.
- Composed of three primary subatomic particles: protons, electrons, and neutrons.
Protons
- Protons are positively charged particles found in the nucleus of an atom.
- The atomic number is defined by the number of protons present in the nucleus, determining the element's identity.
Electrons
- Electrons are negatively charged particles that orbit the nucleus of an atom.
- In a neutrally charged atom, the number of electrons equals the number of protons, balancing the overall charge.
Neutrons
- Neutrons are neutral particles found in the nucleus alongside protons.
- The number of neutrons can vary within atoms of the same element, leading to different isotopes.
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Description
Test your knowledge about atoms, the fundamental building blocks of matter. This quiz covers topics like atomic number, protons, electrons, and neutrons. Learn how these particles interact within an atom.
