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Questions and Answers
What is the smallest unit of matter that contains a nucleus with positively charged particles?
What is the smallest unit of matter that contains a nucleus with positively charged particles?
What determines the atomic number of an atom?
What determines the atomic number of an atom?
What is the sum of the mass of protons and neutrons in an atom called?
What is the sum of the mass of protons and neutrons in an atom called?
Which particle moves around the nucleus of an atom?
Which particle moves around the nucleus of an atom?
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Study Notes
Atomic Structure
- The smallest unit of matter that contains a nucleus with positively charged particles is an atom.
Atomic Number
- The atomic number of an atom is determined by the number of protons present in the nucleus.
Mass of Atom
- The sum of the mass of protons and neutrons in an atom is called the mass number.
Electron Movement
- Electrons move around the nucleus of an atom.
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Description
Test your knowledge of elements, atoms, and subatomic particles with this quiz. Challenge yourself with questions about the basic building blocks of matter and their properties.
