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Questions and Answers
What is the basic unit of matter?
What is the basic unit of matter?
- Element
- Atom (correct)
- Molecule
- Electron
Protons are negatively charged particles found in an atom.
Protons are negatively charged particles found in an atom.
False (B)
What are the three main subatomic particles of an atom?
What are the three main subatomic particles of an atom?
Protons, Neutrons, Electrons
The nucleus of an atom contains protons and ______.
The nucleus of an atom contains protons and ______.
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Match the following subatomic particles with their respective charges:
Match the following subatomic particles with their respective charges:
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Study Notes
The Atom
- The basic unit of matter is the atom.
- Atoms are made up of three main subatomic particles: protons, neutrons, and electrons.
- Protons are positively charged.
- Neutrons have no charge (they are neutral).
- Electrons are negatively charged.
- The nucleus of an atom contains protons and neutrons.
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