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Questions and Answers
Which of the following is a pure substance that cannot be broken down into two or more substances?
Which of the following is a pure substance that cannot be broken down into two or more substances?
- Matter
- Element (correct)
- Atom
- Compound
What carries a positive charge?
What carries a positive charge?
- Neutrons
- Protons (correct)
- Atoms
- Electrons
Which particles are electrically neutral?
Which particles are electrically neutral?
- Protons
- Atoms
- Neutrons (correct)
- Electrons
What is the atomic number of an element?
What is the atomic number of an element?
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What is the atomic weight of an element?
What is the atomic weight of an element?
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